Bug 742500 - Disable expired telemetry probes. r=vladan
Bug 949858 - Make sure we're not duplicating toolboxes and that we forget about them at the app-manager level. r=ochameau
Bug 952040 - webapprt: overrides: Use 'received' instead of 'recieved' and remove pairs of whitespaces. r=tabraldes
Bug 953184 - Do not show an error if user cancels the file chooser dialog when importing a CSS file in Devtools Style Editor. r=harth