Add jsdoc to getNullableType now that it's public
Add jsdoc to getNullableType now that it's public

kpreisser/TypeScript,synaptek/TypeScript,TukekeSoft/TypeScript,chuckjaz/TypeScript,Microsoft/TypeScript,chuckjaz/TypeScript,minestarks/TypeScript,Microsoft/TypeScript,basarat/TypeScript,kitsonk/TypeScript,minestarks/TypeScript,Eyas/TypeScript,TukekeSoft/TypeScript,donaldpipowitch/TypeScript,nojvek/TypeScript,basarat/TypeScript,synaptek/TypeScript,Eyas/TypeScript,alexeagle/TypeScript,kitsonk/TypeScript,alexeagle/TypeScript,minestarks/TypeScript,donaldpipowitch/TypeScript,chuckjaz/TypeScript,alexeagle/TypeScript,microsoft/TypeScript,kpreisser/TypeScript,RyanCavanaugh/TypeScript,kpreisser/TypeScript,RyanCavanaugh/TypeScript,SaschaNaz/TypeScript,Microsoft/TypeScript,nojvek/TypeScript,TukekeSoft/TypeScript,nojvek/TypeScript,microsoft/TypeScript,synaptek/TypeScript,chuckjaz/TypeScript,nojvek/TypeScript,kitsonk/TypeScript,microsoft/TypeScript,synaptek/TypeScript,Eyas/TypeScript,basarat/TypeScript,donaldpipowitch/TypeScript,weswigham/TypeScript,SaschaNaz/TypeScript,SaschaNaz/TypeScript,RyanCavanaugh/TypeScript,weswigham/TypeScript,Eyas/TypeScript,weswigham/TypeScript,donaldpipowitch/TypeScript,SaschaNaz/TypeScript,basarat/TypeScript