Defect DE1176: Can't create a new group in Crowbar.  This was caused by an intermitent race condition, sometimes location.href was being called prior to post completing basically short circuting it.  Moving location.href to $.post return function fixes this race condition.
Defect DE1176: Can't create a new group in Crowbar. Hide_group() was broken in IE as there was a uncommented console.debug call in that method which throws exception in ie.  Also changed hide group icon to server_delete.png instead of server_add.png.
Defect DE1176: Can't create a new group in Crowbar. Believe all issues fixed now, using DropTarget in a standard way for new groups and existing groups.  Believe this may have been a root cause in some of the problems we were seeing, doing the D&D in two different ways.
Merge pull request #514 from dpaterson/pull-req-release-pebbles-master-70cd1abd68f08e814cccc0846cb404da5e8edc7c

Defect DE1176: Can't create a new group in Crowbar.  Fixed drag and drop issues and race condition when adding to a group. [1/1]