api secured permissions
CRM-12759 - Multisite add to group code doesn't kick in when a group is being added
CRM-11356 fix date range descriptors
CRM-12099 navigation tree problem
Merge pull request #20 from eileenmcnaughton/4.2

Per BGM's comment I am merging this in - seems OK to me. A couple of other commits in this pull that are pretty safe