Update to using Android Grandle Plugin 0.12.+

Only for library, as for sample or extras, ignore it.
Update to using smooth progressbar to 0.5.2
Update build tools version, sdk and target sdk

build tools version: 19.1.0
TARGET SDK: 19
Build SDK: 19
Update library min sdk version to 14
Update, Remove and delete files.
Move values-zh-rTW res file to src/main