Item12820: correct computations for correct row and draggable positioning; change span to div to support browsers that get confused by blocks in inline elemens

git-svn-id: http://svn.foswiki.org/trunk@17439 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12820: make sure we can move to the end of the editable rows

git-svn-id: http://svn.foswiki.org/trunk@17440 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12820: make sure we can move to the end of the editable rows

git-svn-id: http://svn.foswiki.org/trunk@17441 0b4bb1d4-4e5a-0410-9cc4-b2b747904278