Combined PullRequest.

Combined PullRequest of 
https://github.com/jessesquires/MessagesTableViewController/pull/34
https://github.com/jessesquires/MessagesTableViewController/pull/33
https://github.com/jessesquires/MessagesTableViewController/pull/32
https://github.com/jessesquires/MessagesTableViewController/pull/31



So that you don't have to worry about the merge conflict.

I also took the liberty of updating it CocoaPods. (I don't know how to use it other wise)
Let me know if you want to revert that change.