BZ #1172366 - fix some pcmk constraints

https://bugzilla.redhat.com/show_bug.cgi?id=1172366

Constraints with an incorrect name specified (i.e., no -clone) could
cause issues for pcs commands immediately following.  Also remove
groups for cloned resources.
Merge pull request #428 from cwolferh/fix_some_pcmk_constraints

BZ #1172366 - fix some pcmk constraints