Changes

** Continued work on customization and tabs styling ({{bug|874819}}, {{bug|867675}}, {{bug|875946}})- see root meta bugs {{bug|732583}} and {{bug|872617}} ** Milestone 6 completes tomorrow. We've got almost all of the customizable widgets done (bookmarks widget and character encoding widget are the two big missing pieces).** Still on track to ship in 25 cycle** [http://people.mozilla.org/~jwein/ux-nightly/ Try out a UX build], and please file bugs! Dupes are cheap.*** For tab related bugs, please file them blocking australis-tabs, and put [Australis:M?] in the whiteboard*** For toolbar or customization bugs, please file them blocking australis-cust and put [Australis:M?] in the whiteboard*** For bugs that don't fall into either category, but seem Australis-related, file them blocking australis and put [Australis:M?] in the whiteboard.