does compile but not tested

steps where taken:
* nodes as unique ptr
* skill no copy constr.
* skill returns as observer ptr

Fluxio/dev refactor plugin executor

See merge request !457

Fluxio/dev control token special nodes

See merge request !456

Improve armar7 platform movement

See merge request !451

Fluxio/dev idempotent uuids for native skills

See merge request !455

QOL Changes in Skill GUI

See merge request !453

Fix template ambiguities in aron_conversions

See merge request !439

Add a common base class for both HolonomicPlatformVelocity controllers
and add a property with which to choose one.
Make the acceleration limits also configurable via properties.