Bug 830644 - [wallpaper] Support WVGA and other non-HiDPI screen dimensions and resolutions
  * Added @2x wallpapers
  * px to rem conversions
  * fixed header implementation
Bug [Bug 857177] [Browser] add storage permission
Bug 856618 - [Import] Improve responsiveness in select / deselect all operations
Merge pull request #9004 from jmcanterafonseca/perf_import

Bug 856618 - [Import] Improve responsiveness in select / deselect all op...
Merge pull request #8989 from basiclines/hidpi-support-wallpaper

Bug 830644 - [wallpaper] Support WVGA and other non-HiDPI screen dimensions and resolutions
Merge pull request #9014 from benfrancis/857177

Bug [Bug 857177] [Browser] add storage permission
Bug 859263 - The opacity part of the animation when applications starts takes around 50ms and are is not visible. r=etienne
Merge pull request #9039 from vingtetun/window_manager_no_opacity

Bug 859263 - The opacity part of the animation when applications starts ...
Bug 804270 - [Gaia::Homescreen] App Opening and Closing Transition Not Implemented According to Spec