[COM_CITATIONS] make cleanUrl() static
[COM_USERS] remove old-school reference assignment
[LIB_HUBZERO] make find_or_create() methods static
[PLG_GROUPS_RESOURCES] make documents() static
[PLG_GROUPS_WISHLIST] omg use the correct method invocation nick
[PLG_MEMBERS_WIKI] make out() static
[PLG_TAGS_BLOGS] make out() static