refactored sub module initialization in class ARA
	tests/libara/other/logging.properties
fixes #7
Merge branch 'develop' into evaporation
added ReinforcementPolicy class
added classes {LinearPath,Path}ReinforcementPolicy for pheromone reinforcement on paths
added a OMNeT++ cSimpleModule for class LinearPathReinforcementPolicy
added unit test for class LinearPathReinforcementPolicy
Merge branch 'evaporation' into develop