Please pull 'cleanups' from https://code.google.com/r/johannesschindelin-wifikeyboard/

[GoogleCodeExporter]

I needed to back-port the WiFiKeyboard to Android 2.2 to use it on my clumsy 
little cell phone, and while at it, made a couple of improvements I think you 
might like: 
https://code.google.com/r/johannesschindelin-wifikeyboard/source/list?name=clean
ups.

In case you are interested what I had to do to make it work with Android 2.2, 
there is the android-2.2 branch: 
https://code.google.com/r/johannesschindelin-wifikeyboard/source/list?name=andro
id-2.2 (but I do not believe that you want those changes).

Original issue reported on code.google.com by johannes.schindelin on 19 Nov 2014 at 10:01