Add support for additional post types, remove remnant dash code, numerous bug fixes.

git-svn-id: https://plugins.svn.wordpress.org/repostus/trunk@859698 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix edge case where settings are not saved after upgrade causing buttons to fail to display.

git-svn-id: https://plugins.svn.wordpress.org/repostus/trunk@860433 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix edge case where settings are not saved after upgrade causing buttons to fail to display.

git-svn-id: https://plugins.svn.wordpress.org/repostus/trunk@860436 b8457f37-d9ea-0310-8a92-e5e31aec5664