Bug 862247 - Fix Contacts/Settings tests not running individually. r=gwagner

--HG--
extra : rebase_source : c9048a4680383576f329c4dcfb139a8e05633076
Bug 861896 - [b2g-ril] Call waiting feature is not working on Geeksphone Peak devices. r=vicamo
Bug 862050 : When mms apn is the same as default apn, the cellphone can't get data call connection. r=vyang
Bug 860604 - Use receiving time to store received sms message. r=vicamo
Bug 853632 - Cache own and containing apps in TabContext. r=jlebar
Bug 860760 - Pause OMX media sources when playback is paused. r=sotaro, r=cdouble

OMXCodec needs to now when the stream is paused. Otherwise it will
prevent the device from lowering its power state when idle.
Only call the done function once per test, failure or success
Log event and state names rather than codes
Give priority to START, STOP and ABORT events
Enable logging on try