media editor requires ui-framework for its work, but dependency is declared only in module descriptor, not in pom which results in some cases to incorrectly resolved dependencies when other modules bring in their own older version of the framework. See http://forum.magnolia-cms.com/forum/thread.html?threadId=8a61a68c-03f4-40c4-8c90-948195d6e0c2 for more details.