Upgrade rspec 3.0.0.rc1 -> 3.0.0
Upgrade rspec 3.0.0.rc1 -> 3.0.0

sue445/activerecord-turntable,drecom/activerecord-turntable,gussan/activerecord-turntable,monsterstrike/activerecord-turntable,if1live/activerecord-turntable