added text rotation for general geometries
draw tiny lines to mark speedlimits and slopes
snapshot: straight line geometries working
first working arc examples
cleaned code
fixed warnings, cleaned code, added test
fixed examples (except cleaf)
renamed variables, formatted
added toString methods
fixed examples
added paint flow conserving bottlenecks
cleaned code, added debug logging, fixed xodr spec
fixed xodr spec (overlapped segments)
updated some res
minor: removed comment
BUGFIX: added condition for placing start signal point for trafficlight
if upstream roadsegment has more than one downstream links
added some hints
Merge branch 'develop' into alternatives

Conflicts:
	core/src/main/java/org/movsim/output/route/FileTrajectories.java
	core/src/main/java/org/movsim/simulator/SimulationRun.java
	viewer/src/main/resources/config/log4j.properties