Bug 838110 - made pick.js testable
Bug 838110 - load list.json to get wallpaper list
Bug 838110 - Wallpaper and ringtones customization

Conflicts:
	build/utils.js
Bug 838110 - fallback to filename when l10n of ringtone unavailable
Merge pull request #8263 from yurenju/wallpaper-v1.0.1

Wallpaper v1.0.1