- Fixed bug in move exec that was causing bumping between moves.

 - Fixed bug in move exec that was causing bumping between moves.
 - Fixed planner bug which could create negative s-curve times.
 - Hide step and optional pause buttons until they are implemented.
 - Fixed pausing problems.
 - Limit number of console messages.
 - Scrollbar on console view.
 - Log debug messages to console in developer mode.
 - Fixed AVR log message source.
 - Fixed step correction.