Preparing v5.4.0-rc1.
Development cycle 5.4.x.
Preparing v5.4.0.
Development cycle 5.4.1.
Merged IMC_Addresses and added messages from master branch.
Preparing release 5.4.1.
Reverted version back to 5.4.x.
New 'Formation Evaluation Data' message.
Correction to the data types of the 'Formation Evaluation Data' message.
Addition of the Aborted message.
Messages: Added TAKEOFF and LAND flags to DesiredPath.
Removed message AbortAcked.
Added an unsigned path reference to DesiredPath and PathControlState that will relate them together.
Added message type "Event".
Fixed casing in TupleList defintion.
Added Dislodge maneuver message.
Removed FormationParameters from the Maneuvers message group (it is not a maneuver).
Fixed whitespace.
IMC: Added Control loop CL_FORCE.
Preparing 5.4.1.