Added stubs to ChakraHost interface for readDirectoryNames/readFileNames
Added stubs to ChakraHost interface for readDirectoryNames/readFileNames

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