localization support
Merge branch 'master' of https://github.com/oklai/koala into feature/add-dust-support

Conflicts:
	src/app/html/en_us/main.html
	src/app/html/en_us/settings.html
	src/app/html/en_us/template.html
	src/app/html/ja_jp/main.html
	src/app/html/ja_jp/settings.html
	src/app/html/ja_jp/template.html
	src/app/html/zh_cn/main.html
	src/app/html/zh_cn/settings.html
	src/app/html/zh_cn/template.html
	src/app/scripts/appConfig.js