Provided new SRMD example files and improved existing ones slightly.
Provided two example SRMD files for ts2-4_rs2-5. Provided two example SRMD files for ts2-4_rs2-4. Provided two example SRMD files for ts2-2_rs2-3. Header of PedestrianCrossingScenario_2.srmd improved. Added attribute "model.use-restrictions" to StraightWithoutCrosswalk.srmd and StraightWithCrosswalk.srmd.