Fix errors by adding install rules to the CMakeLists.txt file, so that migration rules are installed properly.
Consolidate individual message-specific rules into a single file with the package versions that the migrations apply to.
I wasn't able to resolve the warning cannot migrate from subtype [TrackMotionPower] to [TrackMotionPower], it seems like some kind of bug in the ROS code responsible for migrations. It's a warning regardless, so migrations are able to continue.
Resolves #72 with the following changes:
cannot migrate from subtype [TrackMotionPower] to [TrackMotionPower], it seems like some kind of bug in the ROS code responsible for migrations. It's a warning regardless, so migrations are able to continue.