add support for an additional top content inset. close #325
update demo to have a “first received” message. ref #413
new APIs for responding to different cell tap events. issue #374. update demo.
update version nums
Merge branch 'master' of https://github.com/jessesquires/JSQMessagesViewController

# By Jesse Squires
# Via Jesse Squires
* 'master' of https://github.com/jessesquires/JSQMessagesViewController:
  update version nums
  new APIs for responding to different cell tap events. issue #374. update demo.
  update demo to have a “first received” message. ref #413
  add support for an additional top content inset. close #325

Conflicts:
	JSQMessagesDemo/JSQMessages-Info.plist
	JSQMessagesViewController.podspec