Upgrade manifest.json
Inline scripts and event handlers disallowed

See: http://developer.chrome.com/extensions/tut_migration_to_manifest_v2.html
Add content_security_policy for external js
Upgrade jquery
move to js dir
Use sendMessage instead of sendRequest (obsolete)
migrate to js/background.js
Use onMessage instead of onRequest
Add changelog about manifest version 2
Merge pull request #1 from banyan/manifest-v2

Manifest v2