Bug 968702 - Add Makefile for wallpaper app
Bug 929860 - [Gaia] SD card formatting
Bug 967857 - Add specific CSS rules for Bengali - Probhat keyboard to
avoid truncation.
Merge pull request #16085 from timdream/build-appdata-wallpaper

Bug 968702 - Add Makefile for wallpaper app, r=yurenju
Merge pull request #14120 from ian-liu/settings/Bug929860_SD_card_formatting

Bug 929860 - [Gaia] SD card formatting, r=@evelynhung
Merge pull request #16116 from RudyLu/keyboard/Bug967857-Bengali_UI

Bug 967857 - Add specific CSS rules for Bengali - Probhat keyboard to
r=timdream