DeviceListDialog: Render status line in small font
Fonts: Renamed FontHeight variable to font_height
Fonts: Don't draw map labels in italic

Italic is hard to read and the font size is indicator enough that these
labels are not waypoints, but topography.
Manual XCSoar-Handbuch: Move the current de wrap of the manual into a subdirectory, keep it as "Blitzeinstieg" and free the de directory for a 1:1 translation.
LX1600: Updated SetupNMEA() with information from the documentation

We have the official documentation now for these devices
LX1600: Added LXWP5 sentence to SetupNMEA() request string
LX1600: Added SaveToEEPROM() and FactoryReset() functions
Form/DataField/Angle: Add option to enable fine adjustment of values
Dialogs/Task/SectorZoneEditWidget: Enable fine adjustments of radials

Implements trac request #2540.
Form/DataField/Angle: Fix rounding issues on angles.

Due to rounding issues a 360° was sometimes present in
the ComboBox leading to an assertion on selection.
Prevent this issue by enforcing the range 0 - 359 for values.
build/android: Added ICON_PNG variable to merge duplicate code
build/android: Generate icon from SVG directly
build/android: Build icons for all common resolutions
LX1600: Fixed API documentation
SDL/Bitmap: Fixed indentation
Screen/Point: Added GetCenter() method
DigitEntry: Call assert() before using the checked variables
DigitEntry: Added API documentation
FontEdit: Made "Bold" and "Italic" translatable
Config/Registry: Applied naming convention