Added option to set initial camera mode

Further readjustments to route definitions

Bugfixes route connectivity

Fix problem of some junction connections being ignored. Further
elimination of right-hand traffic assumption. Initialize road cache
indices to non valid value, instead of 0 which is unintentially a valid
number, enforcing lookup of correct values.

Fixed build error on Linux platform

Added heading to trail + a few bugfixes

Fixed Tab key command bug not switching between vehicles correctly
Fixed trail indexing issues

Fixed build error for no OSG (viewer) variant

Recreate model pack cache

scenario bug fix

Updated synchronize action to support more cases

Added support for lane change distance timing