modified roles edit function to support all-verbs and all-tags
check for new provider link and add repo-button
Assure user w/o Manage Permissions cannot associate GPG keys
Added, functionality to Check whether new gpg-key link exists?
Users w/o GPG key permissions cannot create GPG keys
Merge branch 'master' into gpgkeys-permissions

Conflicts:
	src/katello/gpg_keys.clj
moved the gpg-key permission tests to permissions namespace
Removed duplicate entries
Merge pull request #509 from kbidarkar/gpgkeys-permissions

[Done] Gpgkeys permissions