minor edits for recording new mixed case data
re-enabling groups
no groups in iros14
improved social activities test scenes, removing ambiguity
tuned standing behaviour to avoid rotations, also incresed queue wait time
minor queueing and standing tune
new airport like scene with different social activities
visually tweaked behaviours in the airport scene
minor tweaks to parameters
minor data recording changes
added new visualization of agent direction by arrows, optimized group visuals using marker arrays
group navigation preparation
minor mods recording video
more agent types
now having people models and more in the simulator
minor config update
removing dependancy on pedsim_srvs, startign switch to spencer_msgs
added spencer msgs to the simulator, not using standard spencer topics
added pose and twist with covariance
more simulator tweaks