lib/android: intro the `notifications` module

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
android: add super classes to `NativeActivity`

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
lib/android: intro the `ui` module

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
examples: intro app.nit Android UI test

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
calculator: add an icon

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
calculator: intro android UI

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
lib/android: add notification services from API 16

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
notifications: intro big_text

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
benitlux: intro android app

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
benitlux: try to start a service
benitlux: services
benitlux: fix android useof app
benitlux: app and wifi

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
benitlux: fix benitlux
benitlux: working service
local: vim fix

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