Add node.js 0.12 and io.js to travis.yml
Add node.js 0.12 and io.js to travis.yml

flackend/gulp,Zagorakiss/gulp,XiaoLongW/gulp,maxhollmann/gulp,zpao/gulp,XiaoLongW/gulp,callumacrae/gulp,ancchaimongkon/gulp,breyed/gulp,eaglesjava/gulp,lcoder/gulp,yochannah/gulp,pH200/jsrun,zensh/gulp,ged/gulp,liangzhien/gulp,mikehaas763/gulp,brilliun/gulp,prashant-andani/gulp,thejameskyle/gulp,breyed/gulp,wjb12/gulp,r14r/fork_javascript_gulp,duanying0818/gulp,geltoncruz/gulp,jhsu/gulp,MarcBT/gulp,JimiHFord/gulp,codeclimate-demo/gulp,r14r/fork_javascript_gulp,ybg555/gulp,JsAaron/gulp,AleksueiR/gulp,thejameskyle/gulp,nmccready/gulp,bmds/gulp,flackend/gulp,minodisk/gulp,jaeh/gulp,zongkelong/gulp,mariuszskon/gulp,cgourlay/gulp,tksander/gulp,tfennelly/gulp,VANITAX/gulp,pH200/jsrun,IrvBriscoe/gulp,klausbayrhammer/gulp,vineethawal/gulp,xuxinpie/gulp,gavioto/gulp,sonjudan/gulp,BogusCurry/gulp,jmm/gulp,seedtigo/gulp,sttk/gulp,lanbin/gulp,foresthz/gulp,klausbayrhammer/gulp,SimenB/gulp,pppp22591558/gulp,preco21/gulp,hckhanh/gulp,tuzilingdang/gulp,lcoder/gulp,jhsu/gulp,yonglehou/gulp,wbinnssmith/gulp,BogusCurry/gulp,jonsterling/gulp,MarcBT/gulp,frankwallis/gulp,KillerDesigner/gulp,Coaxial/gulp,zpao/gulp,yugle7/gulp,songshuang00/gulp,GoodBoyDigital/gulp,michaelgena/gulp,aaron-goshine/gulp,AtChina/gulp,borellaster/gulp,soliury/gulp,brilliun/gulp,tfennelly/gulp,Teino1978-Corp/Teino1978-Corp-gulp,rlugojr/gulp,bobintornado/gulp,IrvBriscoe/gulp,yochannah/gulp,jaeh/gulp,tuzilingdang/gulp,chrismoulton/gulp,bORm/gulp,Teino1978-Corp/Teino1978-Corp-gulp,MichaelFBA/gulp,mad-aran/gulp,benweet/gulp,donglegend/gulp,borellaster/gulp,pdehaan/gulp,bORm/gulp,rlugojr/gulp,codeclimate-demo/gulp,jmm/gulp,duanying0818/gulp,sonjudan/gulp,cgourlay/gulp,huzion/gulp,MichaelFBA/gulp,imjerrybao/gulp,cgvarela/gulp,aaron-goshine/gulp,pdg6805/gulp,midgethoen/gulp,ruspython/gulp,xuxinpie/gulp,youprofit/gulp,snidima/gulp,anorthwolf/gulp,GoodBoyDigital/gulp,cgvarela/gulp,michaelgena/gulp,caseytrombley/gulp,ajwebb/gulp,ruspython/gulp,seedtigo/gulp,Coaxial/gulp,ybg555/gulp,fengjianjunstudy/gulp,mikehaas763/gulp,ajwebb/gulp,lanbin/gulp,caseytrombley/gulp,minodisk/gulp,youprofit/gulp,tksander/gulp,frankwallis/gulp,PNW3DEV/gulp,maxhollmann/gulp,ankita-kumari/gulp,benweet/gulp,gavioto/gulp,Rorchach/gulp,chrismoulton/gulp,songshuang00/gulp,AlexKomrakov/gulp,JsAaron/gulp,PNW3DEV/gulp,foresthz/gulp,moander/gulp,mad-aran/gulp,ancchaimongkon/gulp,callumacrae/gulp,snidima/gulp,tkvern/gulp,prashant-andani/gulp,gulpjs/gulp,liangzhien/gulp,imjerrybao/gulp,eaglesjava/gulp,anorthwolf/gulp,AleksueiR/gulp,silverbux/gulp,preco21/gulp,edisplay/gulp,romario333/gulp,yugle7/gulp,Tiger66639/gulp,ged/gulp,doginthehat/gulp,crspiccin/gulp,donglegend/gulp,es128/gulp,zensh/gulp,yonglehou/gulp,pdg6805/gulp,AtChina/gulp,AlexKomrakov/gulp,hckhanh/gulp,nmccready/gulp,bmds/gulp,silverbux/gulp,mohislm/gulp,Tiger66639/gulp,ankita-kumari/gulp,crspiccin/gulp,pdehaan/gulp,pppp22591558/gulp,mariuszskon/gulp,vineethawal/gulp,soliury/gulp,VANITAX/gulp,huzion/gulp,edisplay/gulp,moander/gulp,tkvern/gulp,jonsterling/gulp,Zagorakiss/gulp,KillerDesigner/gulp,es128/gulp,wbinnssmith/gulp,doginthehat/gulp,Rorchach/gulp,fengjianjunstudy/gulp,iSC-Labs/gulp,geltoncruz/gulp,bobintornado/gulp,SimenB/gulp,JimiHFord/gulp,zongkelong/gulp,mohislm/gulp,midgethoen/gulp,iSC-Labs/gulp,romario333/gulp,wjb12/gulp