add custom column in badges and awards admin screen

[davelester]

Plugin actions and filters can be used to add columns to the admin screen for custom post types. Some background and instructions are on this blog http://wp.tutsplus.com/tutorials/creative-coding/add-a-custom-column-in-posts-and-custom-post-types-admin-screen/ Add the following columns:

For Badges:

• Image (WP knows this as "Featured Image")
• Version

For Awards:

• Email Address
• Status

[davelester]

Added with commits 8138ce3 and f43a284, however it currently lacks the ability to sort by new columns.