Bug 773563 - Cleanup BTA_detach callers to avoid redundant state checks; r=robcee
Bug 949678 - Rule view should show inline sheet links as 'inline:<lineno>' instead of '/:<lineno>' when source maps are enabled; r=pbrosset
Bug 946656 - Print messages attached to received gecko events. r=margaret
Bug 949913 - Don't store page refreshes as history visits r=blassey
Bug 950357: The About dialog shouldn't check for updates without asking if the 'Never check for updates' option is selected. Instead, present a 'Check for Updates' button. r=felipe
Merge m-c to fx-team.