Add flog/flay rake commands
add land rake command.
Minor changes to rotation example.
Allow sender override when creating drone
Add led command to drone
Streamline floating point decode of binary data.
Add UML diagrams.
Revert "Streamline floating point decode of binary data."

This reverts commit ee8d8677da4ab7677cc7df897a807a4d93b75feb.
Better test data for NavDemo option.
Removed translation from cfield declarations.

Also dumbed down the specs for matrix and vector objects.  Need to
revisit when these actually get implemented.
Remove translation support from cfields.
Slight complexity reduction in TimeQueue.

We're not using TimeQueue at the moment.  Need to evaluate its usefulness.