Bug 984630 - Fix social button styling on linux. r=Gijs, a=sledru
Bug 969724 - Fix for intermittent browser_webconsole_bug_597136_external_script_errors.js | Timed out while waiting for: external script error message. a=test-only
Bug 981030 - Create platform specific mozharness files for storing test harness options, r=aki, a=test-only
No bug, Automated blocklist update from host bld-linux64-spot-376 - a=blocklist-update
Merge commit '309e3df6011e85fd19226ef2d103f753bfadd3af' into embedlite_29