Initial commit of push messaging "Guestbook" app.
Adding third party code and a sample client secrets file.
Update readme
bump manifest version to 1.23
Fix channelID ownership verification bug.
Bugfixes.
Update OAuth Scope and API Endpoint.
Style cleanup.
Adding Push Messaging sample code
Formatting of the Push Messaging section
More formatting
README fixes
Fix readme to point to the public version of the sample
Merge branch 'push-guestbook' of https://github.com/mrdewitt/chrome-app-samples

Conflicts:
	.gitignore
Initial add for the Calendar Push Server sample
Merge branch 'master' of https://github.com/petewil-G/chrome-app-samples
Lowercase sample names and put window create inside onLaunched.addListener
Move calendar pusher to its own branch
Merge pull request #95 from petewil-G/master

Two new samples for push messaging