Bug 998299 - Add Neo layout

[Neo](http://www.neo-layout.org/) is another layout for keyboards.

Since Neo request at least 11 keys in each line this is a adaptation
of it to mobile devices (a adaptation to Android is available at
https://play.google.com/store/apps/details?id=com.anysoftkeyboard.languagepack.neo2&hl=en).
Bug 968709 - Allow system app to listen to bluetooth-pairing-request.
Bug1006919- [Gallery] Remove work around to generate and pass file backed blob for pick activity in gallery.js r=djf
Bug 1009368 - Configure keyboard correctly
Bug 1012497 - [Build System] Add GAIA_DEVICE_TYPE flag in Android.mk.
Bug 1012627 - Use the "Dot" reporter on Travis r=yurenju
Bug 1012692 - (vertical-homescreen) Add option to change the wallpaper
Bug 1005511 - JSHint fixes for shared/js/device_storage/ r=djf
bug 1007965

* DownloadHelper should use new 'storageName' and 'storagePath' properties on DOM Download object instead
  of munging path manually.
* DownloadStore should save 'storageName' and 'storagePath' properties to DataStore for later use.

r=crdlc
Bug 1013803 - NFC: TypeError: suite.skip is not a function when running Gaia Unit test.
Bug 1009408 - IAC shouldn't check the install origin for certified apps (part 1, remove the install origin check for the certified app). r=ferjm
Bug 1013293 - Fix wrong path of some single variant resources.
Bug 1010746 - added accessibility tests to TBPL.
Bug 1013940 - [Contacts][Data Refactor] Add examples applications to play with extra contact datastores
Bug 994572 - Name behind title when edit contact
Bug 1013120 - [B2G][Calendar] Month View: should use calendar colors for dots and alarm icons
Bug 1006129 - Overfill scroll ratio test for settings.

Based on work from :mchang.
Bug 1014028 - Use correct format in gaia_unit timeout messages, r=ahal
Bug 1008349 - [B2G][Camera][Zoom][Open C]zoom level in preview is higher than the zoom level of the picture taken.
Bug 1013800 - Fix the locator of test_ftu_skip_tour.py