Bug 1096057 - Added cs-qwerty layout

The only difference from cs.js is that it is QWERTY, not QWERTZ.

Although, this is not an official layout according to the Czech
technical norms, it is very widely used “in the wild”.
Bug 1095805 - [System][SHB] Enable software home styles for crash dialog r=mhenretty
Bug 1095805 - merge pull request #25994 from KevinGrandon:bug_1095805_shb_crash_dialog to mozilla-b2g:master
Bug 1093424 - passcode entry on lockscreen no longer has delete key (just Cancel) after entering one character
Bug 1094122 - Do not save activeLayout to settings if setKeyboardToShow is called with launchOnly=true
Merge pull request #25998 from mcepl/cs_qwerty-layout

Bug 1096057 - Added cs-qwerty layout, r=timdream
Merge pull request #26012 from snowmantw/bug1093424

Bug 1093424 - passcode entry on lockscreen no longer has delete key (jus...
Merge pull request #25980 from mnjul/bug_1094122_layout_not_remembered

Bug 1094122 - Do not save activeLayout to settings if setKeyboardToShow is called with launchOnly=true. r=rudyl