simple unit test for WikiaInteractiveMapsBaseController::isUserAllowed()
added new user right and check it while deleting a map - logged-in users who are not staff nor admin can not delete maps
allow map creators delete it
Fixed formatting
Fixed formatting
updated unit tests
CR changes: added one more unit test
CR change: changed a comment so it tells truth
show message to a user who does not have right for restoring a map
remove the annoying white square in the menu button drop down
Merge pull request #4957 from Wikia/MWEB-860

MWEB-860 Limit map deletion capabilities
Good job :+1: