Bug 877003 - Convert TestSettingsAPI.cpp to a mochitest-chrome. r=fabrice

--HG--
extra : rebase_source : d338fc0222346f4ddd043b32d43462c6365f16f5
Bug 874611 - Fix error reporting in some ContactDB methods. r=gwagner
Bug 869903 - Report background color on mozbrowserfirstpaint, r=jlebar
Merge m-c to birch.
Backed out changeset 3b3acc25c034 (bug 869903) for mochitest failures
Backout bug 869903 for test failures
Bug 877984 - Trying to update a hosted app preloading appcache that was preinstalled will fail to update r=gene.lian
Bug 877560: B2G RIL - support EF_CBMID. r=yoshi
Merge latest green birch changeset and mozilla-central