Fix embedded features and icon badging in Firefox

Revert the activeTab change and fix locale issues in Firefox

Merge pull request #26 from chrispederick/web-extension

Porting the Firefox version to a WebExtension

Updates for Firefox 1.2.12

Updates for Chrome 0.4.8, Firefox 1.2.12 and Opera 0.2.2

Updates for Chrome 0.4.8, Firefox 1.2.12 and Opera 0.2.2

Updates for Firefox 1.2.11

Updates for Firefox 1.2.10

Update the blog link in the readme

Format a style sheet URL for a menu item