Update css templates.
Update environments in accordance to css template upgrade.
Use dynamic version display.
Revert "Use dynamic version display."

This reverts commit e980747acc9a4115db895fdd84b9e634e8d4011e.
Revert "Revert "Use dynamic version display.""

This reverts commit f00ccf44e7c2bf3bc397abfe3cb9afdc3ebd05cc.

Chrome is using a new API to get manifest details.
Use new API to get version.
Fix font in css template.
Fix a potential bug that matches input box.
Upgrade to GPL v3.

Required by bootstrap-switch.
Make the switch working.

Upgrades to bootstrap-switch 3.