Merge m-c to a CLOSED TREE f-t
Bug 900566 - Histograms for Shumway. r=froydnj
Bug 915444 - Add webProgress to root actor for the chrome style editor and inspector. r=harth
Bug 927974 - Rewrite Connect help text to move link out of translated string. r=past
Bug 928078 - Re-check running apps after app install. r=ochameau
Bug 920507 - Uncaught exception / crash when Clear private data -> Browsing & download history, r=lucasr
Bug 927375 - Debugger UI should be responsive when docked to the side, r=fitzgen
remove old landing page
remove prefpane headings
show the main panel when the page is loaded
fix history management and refactor navigation for prefpanes
make app handler rules for richlistitems more specific to #handlersView
implement new category list using richlistitems