Added RubyEnv.rvm_prefix to use rvm exec
Added RubyEnv.rvm_prefix to use rvm exec
mhama/testbot,tonchidot/testbot,nritholtz/testbot,mhama/testbot,uchihara/testbot,joakimk/testbot,joakimk/testbot,tonchidot/testbot,uchihara/testbot,nritholtz/testbot