Fix issue #149
Fix issue #149

Use an empty child list instead of placeholder child data when the directory is empty. Since jstree treats empty directories as leaves, manually manage styles when necessary.

raygervais/brackets,NickersF/brackets,pomadgw/brackets,ChaofengZhou/brackets,ralic/brackets,mjurczyk/brackets,thr0w/brackets,Free-Technology-Guild/brackets,Free-Technology-Guild/brackets,MahadevanSrinivasan/brackets,StephanieMak/brackets,macdg/brackets,karevn/brackets,Th30/brackets,iamchathu/brackets,NickersF/brackets,CapeSepias/brackets,dtcom/MyPSDBracket,uwsd/brackets,dangkhue27/brackets,2youyouo2/cocoslite,hanmichael/brackets,gupta-tarun/brackets,thehogfather/brackets,kilroy23/brackets,ryanackley/tailor,sedge/nimble,pratts/brackets,ricciozhang/brackets,wangjun/brackets,shal1y/brackets,fronzec/brackets,pkdevbox/brackets,weebygames/brackets,xantage/brackets,bidle/brackets,revi/brackets,Rynaro/brackets,marcominetti/brackets,cdot-brackets-extensions/nimble-htmlLint,Denisov21/brackets,pkdevbox/brackets,xantage/brackets,phillipalexander/brackets,ecwebservices/brackets,fastrde/brackets,abhisekp/brackets,tan9/brackets,resir014/brackets,shal1y/brackets,falcon1812/brackets,ropik/brackets,TylerL-uxai/brackets,chrisle/brackets,RobertJGabriel/brackets,Cartman0/brackets,Lojsan123/brackets,ashleygwilliams/brackets,dangkhue27/brackets,nucliweb/brackets,treejames/brackets,shal1y/brackets,chrisle/brackets,thr0w/brackets,RamirezWillow/brackets,abhisekp/brackets,show0017/brackets,TylerL-uxai/brackets,treejames/brackets,jmarkina/brackets,brianjking/brackets,GHackAnonymous/brackets,ashleygwilliams/brackets,wesleifreitas/brackets,L0g1k/brackets,arduino-org/ArduinoStudio,youprofit/brackets,ryanackley/tailor,goldcase/brackets,baig/brackets,jacobnash/brackets,wesleifreitas/brackets,FTG-003/brackets,MantisWare/brackets,RobertJGabriel/brackets,alicoding/nimble,iamchathu/brackets,emanziano/brackets,82488059/brackets,cosmosgenius/brackets,ChaofengZhou/brackets,karevn/brackets,adobe/brackets,SidBala/brackets,TylerL-uxai/brackets,rlugojr/brackets,pratts/brackets,massimiliano76/brackets,rafaelstz/brackets,mozilla/brackets,zaggino/brackets-electron,robertkarlsson/brackets,amrelnaggar/brackets,RobertJGabriel/brackets,goldcase/brackets,No9/brackets,stowball/brackets,NGHGithub/brackets,arduino-org/ArduinoStudio,ggusman/present,albertinad/brackets,xantage/brackets,chrisle/brackets,malinkie/brackets,treejames/brackets,dangkhue27/brackets,pratts/brackets,82488059/brackets,fcjailybo/brackets,alexkid64/brackets,wakermahmud/brackets,gupta-tarun/brackets,treejames/brackets,NGHGithub/brackets,rlugojr/brackets,baig/brackets,veveykocute/brackets,eric-stanley/brackets,cosmosgenius/brackets,GHackAnonymous/brackets,L0g1k/quickfire-old,sophiacaspar/brackets,82488059/brackets,falcon1812/brackets,eric-stanley/brackets,fabricadeaplicativos/brackets,massimiliano76/brackets,nucliweb/brackets,y12uc231/brackets,thehogfather/brackets,humphd/brackets,raygervais/brackets,cosmosgenius/brackets,flukeout/brackets,kilroy23/brackets,ficristo/brackets,zLeonjo/brackets,andrewnc/brackets,sgupta7857/brackets,hanmichael/brackets,sophiacaspar/brackets,abhisekp/brackets,SebastianBoyd/sebastianboyd.github.io-OLD,kilroy23/brackets,riselabs-ufba/RiPLE-HC-ExperimentalData,adobe/brackets,pkdevbox/brackets,lunode/brackets,ForkedRepos/brackets,RobertJGabriel/brackets,ricciozhang/brackets,Rynaro/brackets,sophiacaspar/brackets,uwsd/brackets,gcommetti/brackets,ForkedRepos/brackets,GHackAnonymous/brackets,gideonthomas/brackets,alexkid64/brackets,goldcase/brackets,gwynndesign/brackets,wangjun/brackets,ecwebservices/brackets,weebygames/brackets,amrelnaggar/brackets,Mosoc/brackets,sophiacaspar/brackets,wakermahmud/brackets,gideonthomas/brackets,RamirezWillow/brackets,IAmAnubhavSaini/brackets,shiyamkumar/brackets,mcanthony/brackets,alicoding/nimble,albertinad/brackets,ricciozhang/brackets,jmarkina/brackets,malinkie/brackets,CoherentLabs/brackets,emanziano/brackets,JordanTheriault/brackets,L0g1k/brackets,Real-Currents/brackets,netlams/brackets,brianjking/brackets,pkdevbox/brackets,chambej/brackets,Lojsan123/brackets,Pomax/brackets,nucliweb/brackets,JordanTheriault/brackets,fvntr/brackets,Andrey-Pavlov/brackets,petetnt/brackets,iamchathu/brackets,sprintr/brackets,agreco/brackets,quasto/ArduinoStudio,riselabs-ufba/RiPLE-HC-ExperimentalData,quasto/ArduinoStudio,82488059/brackets,ls2uper/brackets,Andrey-Pavlov/brackets,Wikunia/brackets,ficristo/brackets,fashionsun/brackets,simon66/brackets,Rynaro/brackets,tan9/brackets,keir-rex/brackets,FTG-003/brackets,chambej/brackets,fashionsun/brackets,malinkie/brackets,Fcmam5/brackets,thr0w/brackets,cdot-brackets-extensions/nimble-htmlLint,agreco/brackets,SidBala/brackets,amrelnaggar/brackets,JordanTheriault/brackets,zLeonjo/brackets,sgupta7857/brackets,jmarkina/brackets,Live4Code/brackets,flukeout/brackets,wesleifreitas/brackets,udhayam/brackets,mozilla/brackets,mcanthony/brackets,Cartman0/brackets,thehogfather/brackets,No9/brackets,abhisekp/brackets,Rajat-dhyani/brackets,youprofit/brackets,sedge/nimble,GHackAnonymous/brackets,chrisle/brackets,TylerL-uxai/brackets,MahadevanSrinivasan/brackets,iamchathu/brackets,zcbenz/brackets,lunode/brackets,xantage/brackets,malinkie/brackets,m66n/brackets,dtcom/MyPSDBracket,ggusman/present,srhbinion/brackets,abhishekbhalani/brackets,adrianhartanto0/brackets,zhukaixy/brackets,lunode/brackets,dtcom/MyPSDBracket,chrismoulton/brackets,keir-rex/brackets,ChaofengZhou/brackets,CoherentLabs/brackets,bidle/brackets,hanmichael/brackets,m66n/brackets,Real-Currents/brackets,humphd/brackets,alicoding/nimble,andrewnc/brackets,shiyamkumar/brackets,andrewnc/brackets,Real-Currents/brackets,lunode/brackets,sgupta7857/brackets,pkdevbox/brackets,flukeout/brackets,rafaelstz/brackets,alicoding/nimble,ls2uper/brackets,cosmosgenius/brackets,Free-Technology-Guild/brackets,fabricadeaplicativos/brackets,amrelnaggar/brackets,FTG-003/brackets,Free-Technology-Guild/brackets,udhayam/brackets,Cartman0/brackets,udhayam/brackets,srhbinion/brackets,MarcelGerber/brackets,srhbinion/brackets,robertkarlsson/brackets,ricciozhang/brackets,wakermahmud/brackets,humphd/brackets,MarcelGerber/brackets,Mosoc/brackets,y12uc231/brackets,eric-stanley/brackets,adrianhartanto0/brackets,adrianhartanto0/brackets,fvntr/brackets,No9/brackets,zhukaixy/brackets,gupta-tarun/brackets,pratts/brackets,zLeonjo/brackets,weebygames/brackets,fabricadeaplicativos/brackets,alexkid64/brackets,mjurczyk/brackets,weebygames/brackets,mcanthony/brackets,michaeljayt/brackets,lunode/brackets,busykai/brackets,adrianhartanto0/brackets,FTG-003/brackets,fastrde/brackets,NGHGithub/brackets,wakermahmud/brackets,CapeSepias/brackets,falcon1812/brackets,lovewitty/brackets,udhayam/brackets,kolipka/brackets,udhayam/brackets,SebastianBoyd/sebastianboyd.github.io-OLD,gupta-tarun/brackets,StephanieMak/brackets,pomadgw/brackets,lovewitty/brackets,abhisekp/brackets,fronzec/brackets,CoherentLabs/brackets,jiawenbo/brackets,L0g1k/quickfire-old,m66n/brackets,Real-Currents/brackets,falcon1812/brackets,ropik/brackets,Rajat-dhyani/brackets,lovewitty/brackets,srinivashappy/brackets,L0g1k/brackets,robertkarlsson/brackets,mat-mcloughlin/brackets,eric-stanley/brackets,fronzec/brackets,simon66/brackets,Pomax/brackets,NickersF/brackets,mat-mcloughlin/brackets,GHackAnonymous/brackets,Rajat-dhyani/brackets,Live4Code/brackets,alexkid64/brackets,RamirezWillow/brackets,srinivashappy/brackets,massimiliano76/brackets,show0017/brackets,shal1y/brackets,adobe/brackets,SidBala/brackets,Rynaro/brackets,L0g1k/quickfire-old,Denisov21/brackets,MantisWare/brackets,ls2uper/brackets,Live4Code/brackets,robertkarlsson/brackets,MantisWare/brackets,bidle/brackets,youprofit/brackets,revi/brackets,chambej/brackets,Lojsan123/brackets,Wikunia/brackets,siddharta1337/brackets,Wikunia/brackets,uwsd/brackets,rafaelstz/brackets,IAmAnubhavSaini/brackets,y12uc231/brackets,zhukaixy/brackets,riselabs-ufba/RiPLE-HC-ExperimentalData,zLeonjo/brackets,JordanTheriault/brackets,simon66/brackets,goldcase/brackets,chinnyannieb/brackets,phillipalexander/brackets,richmondgozarin/brackets,tan9/brackets,mozilla/brackets,ecwebservices/brackets,jiimaho/brackets,kilroy23/brackets,MantisWare/brackets,MarcelGerber/brackets,wakermahmud/brackets,ForkedRepos/brackets,pomadgw/brackets,mozilla/brackets,sprintr/brackets,netlams/brackets,gcommetti/brackets,adrianhartanto0/brackets,dangkhue27/brackets,fastrde/brackets,Pomax/brackets,2youyouo2/cocoslite,zhukaixy/brackets,Andrey-Pavlov/brackets,bidle/brackets,SebastianBoyd/sebastianboyd.github.io-OLD,agreco/brackets,adobe/brackets,bidle/brackets,busykai/brackets,jmarkina/brackets,ChaofengZhou/brackets,zaggino/brackets-electron,L0g1k/brackets,NKcentinel/brackets,marcominetti/brackets,fcjailybo/brackets,L0g1k/quickfire-old,chinnyannieb/brackets,Cartman0/brackets,michaeljayt/brackets,fabricadeaplicativos/brackets,Real-Currents/brackets,NKcentinel/brackets,shiyamkumar/brackets,Andrey-Pavlov/brackets,ralic/brackets,ls2uper/brackets,siddharta1337/brackets,riselabs-ufba/RiPLE-HC-ExperimentalData,tan9/brackets,ForkedRepos/brackets,Cartman0/brackets,ggusman/present,emanziano/brackets,Jonavin/brackets,IAmAnubhavSaini/brackets,Rajat-dhyani/brackets,Th30/brackets,dtcom/MyPSDBracket,lovewitty/brackets,amrelnaggar/brackets,jacobnash/brackets,gwynndesign/brackets,thr0w/brackets,ggusman/present,chambej/brackets,weebygames/brackets,jiimaho/brackets,gideonthomas/brackets,FTG-003/brackets,sedge/nimble,revi/brackets,netlams/brackets,Th30/brackets,zaggino/brackets-electron,NKcentinel/brackets,wangjun/brackets,sprintr/brackets,zcbenz/brackets,fvntr/brackets,2youyouo2/cocoslite,raygervais/brackets,treejames/brackets,StephanieMak/brackets,keir-rex/brackets,jiawenbo/brackets,zaggino/brackets-electron,mozilla/brackets,y12uc231/brackets,rafaelstz/brackets,kolipka/brackets,petetnt/brackets,ficristo/brackets,chrismoulton/brackets,Denisov21/brackets,ecwebservices/brackets,uwsd/brackets,ryanackley/tailor,2youyouo2/cocoslite,sgupta7857/brackets,ScalaInc/brackets,michaeljayt/brackets,stowball/brackets,ricciozhang/brackets,gcommetti/brackets,zhukaixy/brackets,CapeSepias/brackets,sedge/nimble,nucliweb/brackets,wangjun/brackets,Pomax/brackets,mcanthony/brackets,Fcmam5/brackets,phillipalexander/brackets,mat-mcloughlin/brackets,ls2uper/brackets,Jonavin/brackets,gcommetti/brackets,xantage/brackets,MarcelGerber/brackets,Jonavin/brackets,riselabs-ufba/RiPLE-HC-ExperimentalData,fashionsun/brackets,L0g1k/quickfire-old,srhbinion/brackets,michaeljayt/brackets,fvntr/brackets,arduino-org/ArduinoStudio,Th30/brackets,ScalaInc/brackets,pomadgw/brackets,rlugojr/brackets,gcommetti/brackets,Live4Code/brackets,Denisov21/brackets,ralic/brackets,hanmichael/brackets,baig/brackets,fvntr/brackets,StephanieMak/brackets,NGHGithub/brackets,youprofit/brackets,andrewnc/brackets,keir-rex/brackets,quasto/ArduinoStudio,humphd/brackets,ecwebservices/brackets,richmondgozarin/brackets,jiimaho/brackets,quasto/ArduinoStudio,simon66/brackets,show0017/brackets,arduino-org/ArduinoStudio,adobe/brackets,SebastianBoyd/sebastianboyd.github.io-OLD,chrisle/brackets,jiimaho/brackets,veveykocute/brackets,Lojsan123/brackets,fcjailybo/brackets,revi/brackets,ScalaInc/brackets,Fcmam5/brackets,keir-rex/brackets,wangjun/brackets,RobertJGabriel/brackets,ralic/brackets,busykai/brackets,ashleygwilliams/brackets,brianjking/brackets,fabricadeaplicativos/brackets,Fcmam5/brackets,wesleifreitas/brackets,SebastianBoyd/sebastianboyd.github.io-OLD,No9/brackets,Rynaro/brackets,jiawenbo/brackets,chambej/brackets,petetnt/brackets,nucliweb/brackets,Fcmam5/brackets,stowball/brackets,ForkedRepos/brackets,resir014/brackets,petetnt/brackets,Mosoc/brackets,revi/brackets,falcon1812/brackets,gideonthomas/brackets,MahadevanSrinivasan/brackets,mjurczyk/brackets,fastrde/brackets,kolipka/brackets,albertinad/brackets,jiimaho/brackets,sprintr/brackets,kolipka/brackets,srinivashappy/brackets,NickersF/brackets,ChaofengZhou/brackets,Mosoc/brackets,robertkarlsson/brackets,chrismoulton/brackets,2youyouo2/cocoslite,petetnt/brackets,jacobnash/brackets,srinivashappy/brackets,fronzec/brackets,jacobnash/brackets,cdot-brackets-extensions/nimble-htmlLint,karevn/brackets,resir014/brackets,michaeljayt/brackets,ropik/brackets,IAmAnubhavSaini/brackets,jiawenbo/brackets,CapeSepias/brackets,MahadevanSrinivasan/brackets,veveykocute/brackets,zcbenz/brackets,rafaelstz/brackets,No9/brackets,hanmichael/brackets,fcjailybo/brackets,Mosoc/brackets,andrewnc/brackets,macdg/brackets,zaggino/brackets-electron,TylerL-uxai/brackets,sedge/nimble,sprintr/brackets,thehogfather/brackets,jiawenbo/brackets,gwynndesign/brackets,stowball/brackets,thr0w/brackets,goldcase/brackets,CapeSepias/brackets,MahadevanSrinivasan/brackets,82488059/brackets,macdg/brackets,ralic/brackets,zaggino/brackets-electron,macdg/brackets,jmarkina/brackets,Rajat-dhyani/brackets,rlugojr/brackets,Pomax/brackets,karevn/brackets,flukeout/brackets,StephanieMak/brackets,chinnyannieb/brackets,chrismoulton/brackets,quasto/ArduinoStudio,thehogfather/brackets,Lojsan123/brackets,mat-mcloughlin/brackets,youprofit/brackets,kilroy23/brackets,resir014/brackets,netlams/brackets,uwsd/brackets,srinivashappy/brackets,RamirezWillow/brackets,alexkid64/brackets,albertinad/brackets,ScalaInc/brackets,pomadgw/brackets,siddharta1337/brackets,Real-Currents/brackets,lovewitty/brackets,shiyamkumar/brackets,dangkhue27/brackets,jacobnash/brackets,sgupta7857/brackets,cdot-brackets-extensions/nimble-htmlLint,Th30/brackets,chinnyannieb/brackets,massimiliano76/brackets,NKcentinel/brackets,srhbinion/brackets,zLeonjo/brackets,fronzec/brackets,veveykocute/brackets,IAmAnubhavSaini/brackets,arduino-org/ArduinoStudio,NGHGithub/brackets,emanziano/brackets,richmondgozarin/brackets,Wikunia/brackets,ficristo/brackets,sophiacaspar/brackets,phillipalexander/brackets,RamirezWillow/brackets,gupta-tarun/brackets,macdg/brackets,stowball/brackets,m66n/brackets,y12uc231/brackets,wesleifreitas/brackets,fashionsun/brackets,rlugojr/brackets,MantisWare/brackets,fashionsun/brackets,agreco/brackets,tan9/brackets,phillipalexander/brackets,Andrey-Pavlov/brackets,Free-Technology-Guild/brackets,ashleygwilliams/brackets,MarcelGerber/brackets,ashleygwilliams/brackets,richmondgozarin/brackets,Denisov21/brackets,JordanTheriault/brackets,emanziano/brackets,SidBala/brackets,mjurczyk/brackets,abhishekbhalani/brackets,m66n/brackets,pratts/brackets,gideonthomas/brackets,riselabs-ufba/RiPLE-HC-ExperimentalData,fcjailybo/brackets,zcbenz/brackets,Live4Code/brackets,kolipka/brackets,raygervais/brackets,fastrde/brackets,busykai/brackets,raygervais/brackets,ryanackley/tailor,baig/brackets,iamchathu/brackets,NKcentinel/brackets,ficristo/brackets,baig/brackets,brianjking/brackets,netlams/brackets,show0017/brackets,karevn/brackets,humphd/brackets,veveykocute/brackets,massimiliano76/brackets,eric-stanley/brackets,resir014/brackets,shal1y/brackets,siddharta1337/brackets,brianjking/brackets,mjurczyk/brackets,mcanthony/brackets,richmondgozarin/brackets,malinkie/brackets,flukeout/brackets,chrismoulton/brackets,Wikunia/brackets,Jonavin/brackets,chinnyannieb/brackets,shiyamkumar/brackets,SidBala/brackets,NickersF/brackets,Jonavin/brackets,CoherentLabs/brackets,abhishekbhalani/brackets,siddharta1337/brackets,busykai/brackets,simon66/brackets,albertinad/brackets,ScalaInc/brackets,ropik/brackets,gwynndesign/brackets