Removed require_gem usage.  RubyGems really does not recommend it anymore. Switched to Rake.application for autocreating the app.
Removed require_gem usage.  RubyGems really does not recommend it anymore.
Switched to Rake.application for autocreating the app.


git-svn-id: 6a2c20c72ceedae27ecedb68e90cd4f115192a7a@498 5af023f1-ac1a-0410-98d6-829a145c37ef

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