Add Class#addMethod() comment header.
Add Class#addMethod() comment header.

telerik/NodObjC,TooTallNate/NodObjC,TooTallNate/NodObjC,mralexgray/NodObjC,jerson/NodObjC,telerik/NodObjC,jerson/NodObjC,mralexgray/NodObjC,jerson/NodObjC