Maven build configuration

Maven configuration

For use need to configure you repository with dependencies:
android platform
android annotations
android support library

Or use https://github.com/mosabua/maven-android-sdk-deployer for this dependencies.

```
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] AlertDialogPro (Parent) ........................... SUCCESS [0.309s]
[INFO] AlertDialogPro Core ............................... SUCCESS [3.059s]
[INFO] AlertDialogPro Theme Holo ......................... SUCCESS [1.787s]
[INFO] AlertDialogPro Theme Material ..................... SUCCESS [1.362s]
[INFO] AlertDialogPro Demo ............................... SUCCESS [6.959s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 14.422s
[INFO] Finished at: Tue Dec 02 12:36:59 EET 2014
[INFO] Final Memory: 32M/682M
[INFO] ------------------------------------------------------------------------
```