Item12796: fixed dependency on ImagePlugin

some css and js fixes



git-svn-id: http://svn.foswiki.org/trunk@17396 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12796: preparing release


git-svn-id: http://svn.foswiki.org/trunk@17397 0b4bb1d4-4e5a-0410-9cc4-b2b747904278