Fix memory leak when calling methods in Utils class.

Disable allows backup. Creates problem with using this library with o…

…ther apps.

Remove app compat dependency.

remove app name from manifest

Overload showAlert/showDialog methods with resId parameter

add setStyle and sizeOf method in the utils.

remove unecessary icon files from the library

release v3.0.1 with some newly added methods for faster development

remove clutter and publish clean build on Maven Central