fix 3.0 Gemfile.
fix 3.0 Gemfile.

Miralaw/reform,prosanelli/reform,bolshakov/reform,halan/reform,swifthand/reform,swifthand/reform,eljojo/reform,eljojo/reform,simonc/reform,trailblazer/reform,Miralaw/reform,mipearson/reform,joealba/reform,francirp/reform,apotonick/reform,joealba/reform,halan/reform,mipearson/reform,gdott9/reform,prosanelli/reform,bolshakov/reform,francirp/reform