Started implementing node for data gathering and event evaluation
data_event_manager updates
Reorganized EventEvaluation class
Added service request for expression evaluation in mission_parser
Started modifying mission parser to work with missionSetup msg
Added mzos_test.cpp for testing mzos mission
Update to data_event_manager
Continued reorganizing mission_execution, started adding ISO primitive
Continued reorganization of mission execution
Update
Mission execution update, started updating XML syntax
Reorganized event system
update
Merge branch 'mission_dev' into reorganization_v5

Conflicts:
	labust_mission/src/mission_parser.cpp