Reformat changelog
Changelog formatting
Merge pull request #27 from HubSpot/develop

1.2.0
Add ability to pass message string into update
Add more 1.2.1 changes to changelog
Fixing changelog typo: 'go' should be 'do'
Don't use window.Messenger everywhere so that noConflict will actually
work.
Merge branch 'master' of github.com:HubSpot/messenger
Update changelog for 1.2.3
Update package.json
Make readme image a link to docs
Add component.json
Merge pull request #28 from HubSpot/component

Add component.json
Add backbone and jquery component dependencies
Merge branch 'master' into no-backbone

Conflicts:
	build/js/messenger.js
	build/js/messenger.min.js