Added cover actions
Show total unread count for timeline, mentions and DMs in cover
Hide unread count from cover when it's 0
Show last 2 tweets in cover
Change cover only if we have auth token and secret
Show profile image with tweets on cover
After getting new tweets, store them in database
Updated code to show unread tweets count in cover
Updated code to show tweets in cover
Fixed indentation of a javascript function
Made some minor fixes on cover and added license
Merge pull request #22 from siteshwar/gh-12

Adding Active Cover and Cover Actions