Update browserify task for gulp-typescript 3.0
Update browserify task for gulp-typescript 3.0

1. Doesn't need extra src/ prefix
2. testProject is now a function that needs to be called first.

mihailik/TypeScript,synaptek/TypeScript,chuckjaz/TypeScript,DLehenbauer/TypeScript,synaptek/TypeScript,Eyas/TypeScript,SaschaNaz/TypeScript,microsoft/TypeScript,mihailik/TypeScript,synaptek/TypeScript,microsoft/TypeScript,kitsonk/TypeScript,kpreisser/TypeScript,nojvek/TypeScript,DLehenbauer/TypeScript,alexeagle/TypeScript,Microsoft/TypeScript,basarat/TypeScript,jwbay/TypeScript,chuckjaz/TypeScript,RyanCavanaugh/TypeScript,nojvek/TypeScript,Eyas/TypeScript,kpreisser/TypeScript,thr0w/Thr0wScript,chuckjaz/TypeScript,nojvek/TypeScript,donaldpipowitch/TypeScript,minestarks/TypeScript,basarat/TypeScript,minestarks/TypeScript,nojvek/TypeScript,TukekeSoft/TypeScript,jeremyepling/TypeScript,donaldpipowitch/TypeScript,erikmcc/TypeScript,synaptek/TypeScript,Microsoft/TypeScript,mihailik/TypeScript,SaschaNaz/TypeScript,Microsoft/TypeScript,minestarks/TypeScript,jeremyepling/TypeScript,donaldpipowitch/TypeScript,thr0w/Thr0wScript,kpreisser/TypeScript,RyanCavanaugh/TypeScript,weswigham/TypeScript,mihailik/TypeScript,Eyas/TypeScript,thr0w/Thr0wScript,jwbay/TypeScript,TukekeSoft/TypeScript,DLehenbauer/TypeScript,weswigham/TypeScript,erikmcc/TypeScript,jwbay/TypeScript,donaldpipowitch/TypeScript,erikmcc/TypeScript,basarat/TypeScript,alexeagle/TypeScript,erikmcc/TypeScript,microsoft/TypeScript,Eyas/TypeScript,jeremyepling/TypeScript,chuckjaz/TypeScript,thr0w/Thr0wScript,jwbay/TypeScript,basarat/TypeScript,kitsonk/TypeScript,SaschaNaz/TypeScript,SaschaNaz/TypeScript,kitsonk/TypeScript,alexeagle/TypeScript,RyanCavanaugh/TypeScript,DLehenbauer/TypeScript,weswigham/TypeScript,TukekeSoft/TypeScript