fixed catkin-init-workspace when catkin is in buildspace
fixed catkin-init-workspace when catkin is in buildspace

harmishhk/catkin,meyerj/catkin,scpeters/catkin,shyamalschandra/catkin,shyamalschandra/catkin,wkentaro/catkin,meyerj/catkin,wkentaro/catkin,ros/catkin,jack-oquin/catkin,asmodehn/catkin,asmodehn/catkin,harmishhk/catkin,asmodehn/catkin,meyerj/catkin,thaddeustaylor/catkin,beni55/catkin,beni55/catkin,scpeters/catkin,ros/catkin,scpeters/catkin,ros/catkin,wkentaro/catkin,thaddeustaylor/catkin,jack-oquin/catkin,harmishhk/catkin,thaddeustaylor/catkin,beni55/catkin,jack-oquin/catkin,shyamalschandra/catkin