If rcov is not installed, it won't completely blow up the main Adhearsion rakefile anymore.
If rcov is not installed, it won't completely blow up the main Adhearsion rakefile anymore.


git-svn-id: 8515b432981e2984abd27c5f239fc7f5d4950edc@699 21f00dfd-7224-0410-ba9b-b8926ece8ce5

adhearsion/adhearsion,cloudvox/adhearsion,renemendoza/adhearsion,jicksta/adhearsion,adhearsion/adhearsion,renemendoza/adhearsion,cloudvox/adhearsion,adhearsion/adhearsion,kares/adhearsion,kares/adhearsion,renemendoza/adhearsion,cloudvox/adhearsion,adhearsion/adhearsion,cloudvox/adhearsion