Fix date on topic listing; squash object warning on frontend; general cleanup

git-svn-id: http://plugins.svn.wordpress.org/bbpress-post-topics/trunk@672078 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updating trunk to 1.6

git-svn-id: http://plugins.svn.wordpress.org/bbpress-post-topics/trunk@697564 b8457f37-d9ea-0310-8a92-e5e31aec5664
Hotfix for duplicate post bug

git-svn-id: http://plugins.svn.wordpress.org/bbpress-post-topics/trunk@713526 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updating translation files, trunk to 1.7

git-svn-id: http://plugins.svn.wordpress.org/bbpress-post-topics/trunk@713715 b8457f37-d9ea-0310-8a92-e5e31aec5664