Tagging version 0.9.3

git-svn-id: https://plugins.svn.wordpress.org/site-launcher/trunk@1051741 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixing main version number in version 0.9.3

git-svn-id: https://plugins.svn.wordpress.org/site-launcher/trunk@1051762 b8457f37-d9ea-0310-8a92-e5e31aec5664
Showing the login-form only if we use https
Merge remote-tracking branch 'upstream/master'. Updating to the latest edition.