Bug 908601 - Support default orientation in system app

Conflicts:
	apps/system/js/window.js
	apps/system/js/window_manager.js
Merge pull request #13114 from alivedise/bugzilla/908601_v1.2/default-orientation

Bug 908601 - Support default orientation in system app, r=timdream
Merge pull request #13080 from Rik/tabbar-overlays-modals-924256

Bug 924256 - The bottom panel tabbar overlays MMI screen and phone suggestion r=etienne
(cherry picked from commit 52e1117a8e9104e42725a095931ad228d26ea13a)
Bug 911947 - Handle out-of-order message reception r=julienw
Revert "Merge pull request #12966 from crh0716/909689"

This reverts commit 1f1fd614bb389e425b5d06ff92b68d35a87a2d41.
Bug 909689 - Set data connection text based on the network mode and the existence of calls r=alive
Merge pull request #13131 from snowmantw/issue930362

Bug 930362 - [LockScreen] The icons background would light up when touch on them(cherry picked from commit 8f01f87a1e74475ba681a37d74450d2b6361c627)
Merge pull request #13133 from snowmantw/v1.2

Merge pull request #13131 from snowmantw/issue930362
Revert "Merge pull request #12892 from comoyo/value_selector_inputcontext"

This reverts commit 47c3ccfc7682d7caeeb8a921153caf8cefc5b480.