mnit/numbers: fix use image scale

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: improve coding style of mnit_moles

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: improve the documentation

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: improve display scaling

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: empty or hit moles do not intercept taps

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: cuter images

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: fix order of columns and rows

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: make number of rows and columns customizable by platform

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: enable setting scale by platform

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: set scale according to screen resolution on Android

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: improve spacing of holes

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: use a darker background color

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: add details to holes

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: add signs

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: add traps!

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: add rules to Makefile; android-install and pngs

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
moles: lower difficulty

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
Merge: Improvements to Moles

* Make it playable and somewhat fun.
* Adds traps (after a while Groundhogs are looking for vengeance!)
* Use cuter images!
* Adapt the scale according to screen size on Android. The core module `moles` still use the image resolution as reference.

Pull-Request: #381
Reviewed-by: Jean Privat <jean@pryen.org>
ballz: rename to `ballz_android` so tests can check it

Signed-off-by: Jean Privat <jean@pryen.org>