Filtered the post type columns to only include relevant information

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-product-faqs/trunk@748806 b8457f37-d9ea-0310-8a92-e5e31aec5664
Reverted stable tag to 1.0.5

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-product-faqs/trunk@748807 b8457f37-d9ea-0310-8a92-e5e31aec5664