.gitignore generated files

Signed-off-by: mvglasow <michael -at- vonglasow.com>
Bump APK version

Signed-off-by: mvglasow <michael -at- vonglasow.com>
Remove generated files from index

Signed-off-by: mvglasow <michael -at- vonglasow.com>
Show WiFi channels. Fixes #2

Signed-off-by: mvglasow <michael -at- vonglasow.com>
Support for lower SDK levels (minimum 11). Fixes #1.

Signed-off-by: mvglasow <michael -at- vonglasow.com>
Compensate for screen rotation in sky plot. Fixes #4. Thanks erdbeer23!

Signed-off-by: mvglasow <michael -at- vonglasow.com>