Moved the attraction point assignment in the group forming completely to the attraction point assignment strategy.

Added implementation for Attraction Points to have specific pause time min and max values. Adapted movement models to incorporate the alterrations

Added the possibility to add own pause times to Attraction Points and moved logic form the basic attraction points to the AttractionPointIMPL (needs renaming I think).

Made XML parsing error in configurator more definitive of the error (but still not very verbose about whats the "real" problem"

Multiple adaptions of movement models for UAVs. Made possible to switch between stateless actuator model and stateful actuator model for UAVs.

jz/bachelor-thesis-louis-neumann

Removed public settings of position timestamp, cloning now sets the timestamp form the cloned position.