Update Manifest for CHANGES.rdoc removal
Update Manifest for CHANGES.rdoc removal

zzak/rake,envato/rake,ipmobiletech/rake,utilum/rake,esasse/rake,ruby/rake,pjump/rake,tmornini/rake,Vanzct/rake,taiganakagawa/rake,envato/rake,bentley/rake,codedogfish/rake,88rabbit/rake,ruby/rake,jaustinhughey/rake,askl56/rake