Merge pull request #13 from objectiveSee/master

Fix: getText was still being used
made messageType a readwrite property, refactored init methods
Merge pull request #14 from eliburke/modified_messageType

made messageType a readwrite property, refactored init methods
bump tag version
Merge branch 'master' of github.com:huffpostlabs/HPLChatViewController

* 'master' of github.com:huffpostlabs/HPLChatViewController:
  made messageType a readwrite property, refactored init methods
  Removed use of getText in exchange for the new property, text.
  Update README.md
Change authors to contributors list
update README