Bug 1081249 - Synchronize access to selinux matchpath context

* Initialize context in mcollective agent to improve performance
Fix app locking from team member change
Add app to domain member tests
Use application.owner_id in unlock_app
Bug 1081249 - Synchronize access to selinux matchpath context

* Fix unit tests
Merge pull request #5095 from jwhonce/bug/1081249

Merged by openshift-bot
Merge pull request #5099 from liggitt/fix_app_locking_from_team_member_change

Merged by openshift-bot