Update trunk to 1.7.0

git-svn-id: https://plugins.svn.wordpress.org/wordpoints/trunk@1017709 b8457f37-d9ea-0310-8a92-e5e31aec5664
Make 1.7.0 the stable tag

git-svn-id: https://plugins.svn.wordpress.org/wordpoints/trunk@1017713 b8457f37-d9ea-0310-8a92-e5e31aec5664