JNA Windows implementation

Add JNA Windows implementation and use that by default.
This means that there is no need to extract resources when running in Windows, and there is no child process spawned on Windows for the library to work.

Add missing right Window key on Linux

Add missing right Window key on Linux

First release of SimpleNativeHooks

1. Works on Windows, Linux and OSX.
2. On Linux, X11 libraries are required for this to run.