Docs typo
Fix bug in how handlers are called

Conflicts:
	build/js/messenger.min.js
Fix bug in how success/error is called
Version 1.3.4 Release
Fix retry bug

Conflicts:
	build/js/messenger.min.js
	index.html
Restore jQuery 1.6 support
Merge branch 'master' into develop

Conflicts:
	build/js/messenger.js
	build/js/messenger.min.js
	src/coffee/messenger.coffee
Fix bug when working with Q promises