Bug 1035062 - (Part I) Remove unused isContinousSpacePressed

remove unused variable
Bug 1035062 - (Part II) Move double tap monitoring to ActiveTargetsManager
Bug 1035062 - (Part III) Remove resetUpperCase()
Bug 1031998 - Fix jshint error for build/config/payment-dev-prefs.js
Bug 1039984 - [System] Trying to open a smartcollection after killing the Homescreen do nothing.

Allow Homescreen application window to be killed as other windows. But
avoiding to be marked as _killed as, from a system app perspective, the
homescreen is never killed.
Bug 1040700 - Modify APN for ATT because last update doesn't work as expected.r=jaoo
Bug 961154 - When a second incoming call occurs, it does not turn the screen on
Bug 1039739 - Make it more clear what command we're executing;r=yuren
Bug 1013522 - Firefox Accounts system app visual polish. r=ferjm
Bug 1038414 - [B2G][Contacts][Camera][273MB Flame] Camera app OOMs when adding picture to contact
Bug 1035062 - (Part IV) Make setUpperCase take a state object
Bug 1035062 - (Part V) Use state object in IMERender.setUpperCaseLock()
Bug 1035062 - (Part VI) Remove the NO_OP special keyCode
Bug 1035062 - (Part VII) Remove resetScroll from IMERender.toggleCandidatePanel()
Bug 1035062 - (Part VIII) Implement CandidatePanelManager
Bug 1035062 - (Part IX) Implement TargetHandlersManager
Bug 1040982 - [Camera][Hamachi] Doesn't show loading spinner on start-up
Bug 1040676 - [System] Wrong 2.25x resource for Quick setting bluethooth on indicator
Bug 1015390 - [SMS] Implement new startup loading events
Merge pull request #21898 from timdream/keyboard-target-handler

Bug 1035062 - Implement TargetHandlersManager, r=rudyl