Isolate new domain attributes to API 1.3 and above

Limit impact to openshift client
Fix for bug 1014837
Bug 1014768 - Performance improvements for node_utilization: Allow self.all to pass the pwnam structure rather than having to call getpwnam each time.  Lazy load the MCS labels and get rid of an extraneous call to Config.
Bug 998337 - Fixed oo-admin-cartridge man page indentation
add script skeletons for add/remove k5login entries
added untested modify_k5login_principals function
not sure why
return to original
added untested modify_k5login_principals function
return to original
fixed missing quote and added restorecon
added comments/documantation
finished cut-n-paste for notify observers method
try adding a real principal
removed extra args and added meat for oo-k5login-remove
fixed NO_ARGUMENTS typo
move ssh authorized_keys updates to their own class
equals double typo
stubbing the environment calls
stubbing the environment calls