Fixed inject function return type
Fixed inject function return type

Per oclazyload's source code and on the suggestion of @MarkusKramer in DefinitelyTyped's Issue #7477, updated the return type of the inject function to be ng.IPromise<any> instead of boolean.
mcrawshaw/DefinitelyTyped,AgentME/DefinitelyTyped,jimthedev/DefinitelyTyped,sledorze/DefinitelyTyped,magny/DefinitelyTyped,sclausen/DefinitelyTyped,sclausen/DefinitelyTyped,mcrawshaw/DefinitelyTyped,frogcjn/DefinitelyTyped,mareek/DefinitelyTyped,Pro/DefinitelyTyped,CodeZombieCH/DefinitelyTyped,greglo/DefinitelyTyped,flyfishMT/DefinitelyTyped,scriby/DefinitelyTyped,psnider/DefinitelyTyped,martinduparc/DefinitelyTyped,tan9/DefinitelyTyped,Dashlane/DefinitelyTyped,jimthedev/DefinitelyTyped,ryan10132/DefinitelyTyped,nobuoka/DefinitelyTyped,abner/DefinitelyTyped,smrq/DefinitelyTyped,borisyankov/DefinitelyTyped,Pro/DefinitelyTyped,Ptival/DefinitelyTyped,Ptival/DefinitelyTyped,vagarenko/DefinitelyTyped,wilfrem/DefinitelyTyped,damianog/DefinitelyTyped,micurs/DefinitelyTyped,psnider/DefinitelyTyped,raijinsetsu/DefinitelyTyped,jimthedev/DefinitelyTyped,amanmahajan7/DefinitelyTyped,sledorze/DefinitelyTyped,zuzusik/DefinitelyTyped,daptiv/DefinitelyTyped,AgentME/DefinitelyTyped,paulmorphy/DefinitelyTyped,syuilo/DefinitelyTyped,syuilo/DefinitelyTyped,UzEE/DefinitelyTyped,Zzzen/DefinitelyTyped,mattblang/DefinitelyTyped,florentpoujol/DefinitelyTyped,slavomirvojacek/DefinitelyTyped,use-strict/DefinitelyTyped,amir-arad/DefinitelyTyped,progre/DefinitelyTyped,georgemarshall/DefinitelyTyped,ashwinr/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,benishouga/DefinitelyTyped,danfma/DefinitelyTyped,alexdresko/DefinitelyTyped,isman-usoh/DefinitelyTyped,CodeZombieCH/DefinitelyTyped,AgentME/DefinitelyTyped,Litee/DefinitelyTyped,aciccarello/DefinitelyTyped,UzEE/DefinitelyTyped,danfma/DefinitelyTyped,rolandzwaga/DefinitelyTyped,martinduparc/DefinitelyTyped,slavomirvojacek/DefinitelyTyped,Dashlane/DefinitelyTyped,reppners/DefinitelyTyped,OpenMaths/DefinitelyTyped,tan9/DefinitelyTyped,mhegazy/DefinitelyTyped,QuatroCode/DefinitelyTyped,stephenjelfs/DefinitelyTyped,benishouga/DefinitelyTyped,frogcjn/DefinitelyTyped,minodisk/DefinitelyTyped,arusakov/DefinitelyTyped,jraymakers/DefinitelyTyped,nycdotnet/DefinitelyTyped,magny/DefinitelyTyped,rcchen/DefinitelyTyped,paulmorphy/DefinitelyTyped,newclear/DefinitelyTyped,schmuli/DefinitelyTyped,eugenpodaru/DefinitelyTyped,georgemarshall/DefinitelyTyped,martinduparc/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,emanuelhp/DefinitelyTyped,xStrom/DefinitelyTyped,mareek/DefinitelyTyped,zuzusik/DefinitelyTyped,abbasmhd/DefinitelyTyped,EnableSoftware/DefinitelyTyped,hellopao/DefinitelyTyped,nainslie/DefinitelyTyped,benliddicott/DefinitelyTyped,georgemarshall/DefinitelyTyped,rolandzwaga/DefinitelyTyped,raijinsetsu/DefinitelyTyped,wilfrem/DefinitelyTyped,markogresak/DefinitelyTyped,chrootsu/DefinitelyTyped,Softpagehomeware/DefinitelyTyped,HPFOD/DefinitelyTyped,pocesar/DefinitelyTyped,arma-gast/DefinitelyTyped,Litee/DefinitelyTyped,arusakov/DefinitelyTyped,johan-gorter/DefinitelyTyped,newclear/DefinitelyTyped,AgentME/DefinitelyTyped,chbrown/DefinitelyTyped,aciccarello/DefinitelyTyped,amanmahajan7/DefinitelyTyped,one-pieces/DefinitelyTyped,jraymakers/DefinitelyTyped,aciccarello/DefinitelyTyped,emanuelhp/DefinitelyTyped,nobuoka/DefinitelyTyped,alvarorahul/DefinitelyTyped,pocesar/DefinitelyTyped,nycdotnet/DefinitelyTyped,slavomirvojacek/adbrain-typescript-definitions,stacktracejs/DefinitelyTyped,smrq/DefinitelyTyped,psnider/DefinitelyTyped,schmuli/DefinitelyTyped,hellopao/DefinitelyTyped,damianog/DefinitelyTyped,chrismbarr/DefinitelyTyped,hellopao/DefinitelyTyped,gcastre/DefinitelyTyped,mhegazy/DefinitelyTyped,alvarorahul/DefinitelyTyped,laurentiustamate94/DefinitelyTyped,nfriend/DefinitelyTyped,use-strict/DefinitelyTyped,reppners/DefinitelyTyped,arma-gast/DefinitelyTyped,shlomiassaf/DefinitelyTyped,abbasmhd/DefinitelyTyped,florentpoujol/DefinitelyTyped,YousefED/DefinitelyTyped,donnut/DefinitelyTyped,subash-a/DefinitelyTyped,johan-gorter/DefinitelyTyped,pwelter34/DefinitelyTyped,alexdresko/DefinitelyTyped,yuit/DefinitelyTyped,abner/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,DzmitryDulko/DefinitelyTyped,gcastre/DefinitelyTyped,flyfishMT/DefinitelyTyped,DzmitryDulko/DefinitelyTyped,QuatroCode/DefinitelyTyped,axelcostaspena/DefinitelyTyped,chrismbarr/DefinitelyTyped,Zzzen/DefinitelyTyped,rcchen/DefinitelyTyped,dsebastien/DefinitelyTyped,philippstucki/DefinitelyTyped,stacktracejs/DefinitelyTyped,gandjustas/DefinitelyTyped,benishouga/DefinitelyTyped,arusakov/DefinitelyTyped,pwelter34/DefinitelyTyped,EnableSoftware/DefinitelyTyped,greglo/DefinitelyTyped,YousefED/DefinitelyTyped,slavomirvojacek/adbrain-typescript-definitions,trystanclarke/DefinitelyTyped,gandjustas/DefinitelyTyped,OpenMaths/DefinitelyTyped,ryan-codingintrigue/DefinitelyTyped,scriby/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,progre/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,musicist288/DefinitelyTyped,Penryn/DefinitelyTyped,Penryn/DefinitelyTyped,chrootsu/DefinitelyTyped,ashwinr/DefinitelyTyped,Softpagehomeware/DefinitelyTyped,georgemarshall/DefinitelyTyped,xStrom/DefinitelyTyped,HPFOD/DefinitelyTyped,minodisk/DefinitelyTyped,donnut/DefinitelyTyped,zuzusik/DefinitelyTyped,stephenjelfs/DefinitelyTyped,pocesar/DefinitelyTyped,yuit/DefinitelyTyped,shlomiassaf/DefinitelyTyped,schmuli/DefinitelyTyped,subash-a/DefinitelyTyped,borisyankov/DefinitelyTyped,dsebastien/DefinitelyTyped,philippstucki/DefinitelyTyped,mcliment/DefinitelyTyped,mattblang/DefinitelyTyped,trystanclarke/DefinitelyTyped,vagarenko/DefinitelyTyped,isman-usoh/DefinitelyTyped,nainslie/DefinitelyTyped