Version 1.11.0

New features:

• Finally a difficulty setting with three levels: Easy, Medium and Senna
• Show a red overlay on hard crashes
• Cars can get damaged

Improvements:

• Remove alpha blending from the plant object
• Stabilize the steering a bit

Bug fixes:

• Editor: Fix wrong scale when track given as a CLI argument
• Editor: Don't try to open a track if filename is empty
• Fix unit tests

Other:

• Refactor settingsmenu.hpp
• Refactor steering logic
• Sparkles as surface particles
• Use same renderer for all particle batches

PPA for Ubuntu:
https://launchpad.net/~jussi-lind/+archive/ubuntu/dustrac/