moved firefox extension icon to the main toolbar, also updated the event handlers to support multiple domains

modified:   chrome.manifest
 new file:   chrome/content/disconnect.css
 new file:   chrome/content/disconnect.js
 new file:   chrome/content/disconnect.xul
 new file:   chrome/content/disconnectui.js
 new file:   chrome/content/images/128.png
 new file:   chrome/content/images/16.png
 new file:   chrome/content/images/19.png
 renamed:    chrome/skin/icon.png -> chrome/content/images/48.png
 renamed:    chrome/skin/icon64.png -> chrome/content/images/64.png
 new file:   chrome/content/images/blocked.png
 new file:   chrome/content/images/facebook-activated.png
 new file:   chrome/content/images/facebook-deactivated.png
 new file:   chrome/content/images/google-activated.png
 new file:   chrome/content/images/google-deactivated.png
 new file:   chrome/content/images/linkedin-activated.png
 new file:   chrome/content/images/linkedin-deactivated.png
 new file:   chrome/content/images/popup/base-short.png
 new file:   chrome/content/images/popup/base.png
 new file:   chrome/content/images/popup/bg-bottom.png
 new file:   chrome/content/images/popup/bg-top.png
 new file:   chrome/content/images/popup/panelarrow-down.png
 new file:   chrome/content/images/popup/panelarrow-up.png
 new file:   chrome/content/images/twitter-activated.png
 new file:   chrome/content/images/twitter-deactivated.png
 new file:   chrome/content/images/unblocked.png
 new file:   chrome/content/images/yahoo-activated.png
 new file:   chrome/content/images/yahoo-deactivated.png
 new file:   chrome/content/popup.html
 new file:   chrome/locale/en-US/disconnect.dtd
 new file:   chrome/locale/en-US/disconnect.properties
 modified:   chrome/skin/icon.png
 modified:   chrome/skin/icon64.png
 modified:   install.rdf
 deleted:    chrome/content/blocked.png
 deleted:    chrome/content/overlay.css
 deleted:    chrome/content/overlay.js
 deleted:    chrome/content/overlay.xul
 deleted:    chrome/content/unblocked.png