Bug 923395 - Part a: Remove completely empty makefiles; r=gps
Bug 923395 - Part b: Remove makefiles that only set LOCAL_INCLUDES and DEFINES; r=gps
Bug 923395 - Part c: Remove some makefiles that set EXPORT_LIBRARY; r=gps
Bug 923395 - Part d: Remove some Makefiles in image/; r=gps
Bug 908142 - Part a: Move FAIL_ON_WARNINGS to moz.build in uriloader/exthandler/tests/; r=gps
Bug 908142 - Part b: Move FAIL_ON_WARNINGS to moz.build in security/sandbox/; r=gps
Bug 908142 - Part c: Move FAIL_ON_WARNINGS to moz.build in xpcom/tests/; r=gps
Bug 908142 - Part d: Move FAIL_ON_WARNINGS to moz.build in js/xpconnect/shell/; r=gps
Bug 908142 - Part e: Move FAIL_ON_WARNINGS to moz.build in netwerk/test/; r=gps
Bug 908142 - Part g: Remove defines from js/xpconnect/shell/Makefile.in; r=gps
Bug 923249 - Remove some prtypes use in gfx/; r=roc
Bug 910121 - Update web-platform-test tests.
Merge inbound to m-c.