Also:
- Changes to show the unit name on the boot logo screen
- Added new example sketch SetNameAndID to allow setting the name and ID
- Updated the LICENSE.txt file and made changes to include it in the
Doxygen generated documentation
- Version changed to 2.1.0
- Added sprite, button and collision functions from ArduboyExtra
- Added drawCompressed() function from Arglib
- Updated LICENSE.txt
- Removed CONTRIBUTORS.md (now covered by LICENSE.txt)