Bug 919370 - [Test][Keyboard] Unit test for Pinyin IME

- also modified the latin and suggest unit test to prevent the conflict of global variables
Bug 911701 - Show data signal strength when connecting to EVDO
Bug 934768 - [e.me] API key change for v1.2 [r=crdlc]
Merge pull request #13369 from EverythingMe/v1.2-apikey

Bug 934768 - [e.me] API key change for v1.2 [r=crdlc]
Bug 917367 - No notification visible indicator implemented for when getUserMedia audio is active
Merge pull request #13222 from luke-chang/919370_unit_test_for_pinyin

Bug 919370 - [Test][Keyboard] Unit test for Pinyin IME, r=rudylu
Merge pull request #13051 from gasolin/issue-917367

Bug 917367 - No notification visible indicator implemented for when getU..., r=alive
Bug 935350 - Rename 'keyboard' role in homescreen, +shepherd
Merge pull request #13410 from timdream/keyboard-rename-followup

Bug 935350 - Rename 'keyboard' role in homescreen, r=rudyl
Merge pull request #13375 from crh0716/911701_1

Bug 911701 - Show data signal strength when connecting to EVDO r=alive
Bug 911676 - check navigator.mozTelephony statements robustness