Tagging 1.3.9

git-svn-id: http://plugins.svn.wordpress.org/bp-group-hierarchy/tags/1.3.9@721880 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updating trunk to 1.3.9; updating POT

git-svn-id: http://plugins.svn.wordpress.org/bp-group-hierarchy/tags/1.3.9@721886 b8457f37-d9ea-0310-8a92-e5e31aec5664
Merge branch 'tags/1.3.9'