Changes

** Tab matches in awesomebar (nearly done!){{bug|480350}}** New [https://wiki.mozilla.org/Extension_Manager:API_Rewrite Extension Manager API ] work continuing, with parallel [https://wiki.mozilla.org/Extension_Manager:UI_Update EM UI ] development as well.** Getting close to a UI for how to handle crashed plugins in a world with out of process plugins{{bug|538910}}** Rob Strong's been looking at [http://blog.mozilla.com/rstrong/2009/12/23/firefox-javascript-component-startup-costs/ performance of various front end components], and has also started looking at a [http://blog.mozilla.com/rstrong/2010/01/08/status-update-week-of-18/ slate of improvements ] to the way we handle updates.