v2.1.1 (29-06-2013):
- a lot of bugfixes, optimizations and improvements in driver tracker
- implemented a smooth sync feature for driver tracker - after passing
  a synchronization point (either S1, S2 or finish line) driver is
  accelerated (or deccelerated) on the map to match his real position
- added sector indicators to driver radar
- fixed issue with recording uncomplete commentary
- bugfixes in other tools