Bug 972797 - More telemetry on SessionStore data collection.  r=ttaubert
Bug 969780 - Australis - places controller gets lost if bookmarks button is moved to overflow or moved outside of customize mode, r=mak

--HG--
extra : rebase_source : dca1ab1dd901468f9dacaff4b7466c27bef84b47
Bug 949297 - adjust warning message severity for Australis customizableUI widget removals, r=jaws
Bug 973983 - Use ES6 generators instead of old style generators in debugger script actors; r=vporof
Merge m-c to fx-team.
Bug 966489 - Use string resource for display name to match searchable. r=bnicholson
Bug 972879 - Only dim system UI on SDK >= 14. r=lucasr
Bug 973741 - Linked CSS file path is wrong when server directory is same as file directory; r=pbrosset

--HG--
rename : browser/devtools/styleeditor/test/sourcemaps.css => browser/devtools/styleeditor/test/sourcemap-css/sourcemaps.css
rename : browser/devtools/styleeditor/test/sourcemaps.css.map => browser/devtools/styleeditor/test/sourcemap-css/sourcemaps.css.map
rename : browser/devtools/styleeditor/test/sourcemaps.scss => browser/devtools/styleeditor/test/sourcemap-sass/sourcemaps.scss
Bug 974072 - Only restore breakpoints if there are breakpoints in the debugger server's breakpoint store; r=past
Merge m-c to fx-team
Merge fx-team to m-c