loop slow down fix

excution time of command blocks in loops increases with time
added, moved  some stats

*moved orbit stats to the orbit object (accessible via ship and ship
target)
*added body stats from JackDTaylor
robust load behavior
added Close Terminal Action
Merge remote-tracking branch 'enkido/master'

Conflicts:
	BindingsFlightStats.cs
added orbit to Node
added BodyAtmo.cs to project
a Ton of refactoring, mostly about controlling visibility and converting if blocks to swtich statements