Revert "Random initialization added"

This reverts commit 29f4748f071fb4635eda779b43bb8050219f7945.
Added calculation of the density
Merge branch 'ngh' of github.com:naghtarr/catsim into kat
Added road flow calculation as mean of passed vehicles numberin one iteration
Added feeder_mode and distribution enumerations
Fixed problems with enum
Updated initial feeder mode in vehicle_feeder
Added abstract class of object on the road
Added road marker, observer pattern interfaces, listeners interfaces
Put markers list in road stat data
Fixed errors with marker pointers
Added calculation of time intervals between passing vehicles on the end of the road
Implemented continuous feeder mode and normal distribution in distributive feeder mode
Fixed compiler errors
Fixed error; implemented normal (uniform) distribution
Added poisson and triangle distributions