Android port

Fixes #18

To compile it yourself see my 
[forum post](https://easy-rpg.org/forums/viewtopic.php?f=4&t=160#p946)

If you are too lazy to setup the build system:
[precompiled file](http://www.sendspace.com/file/bz0i9z)

Emulator image (emulator interface cropped):

![unbenannt](https://f.cloud.github.com/assets/1331889/1803886/932f78a4-6c2e-11e3-96fa-7c16034c818d.png)