Plan/Engine: Added function in Task.cpp to parse PlanControl's inline arg.
Plan/Engine: Reinstating support for PlanControl::PC_LOAD.
Plan/Engine: In Statistics, ignoring stopped plan or maneuver if timers have not been started.
Plan/Engine: Clearing Plan object after parsing if we're simply loading the plan and not executing it afterwards.
Plan/Engine: Clearing Plan object if parse fails.
Programs: generators/imc_addresses.py: Added dummy -f option for compatibility with other generators.
CMake: Added target imc_force to force creation of all IMC generated files.
Merge branch 'feature/load_plan'
Merge branch 'master' of github.com:LSTS/dune into feature/entityobject