The Make file will now automatically download and use the toolchain if it's missing.

This only work on OSX and Linux. For Windows use Atmel Studio 6.1 SP1 or newer.
Tuning Ultimaker_Rob settings.
This hides all but one warning during compile.
039.01 Intermediate commit - merge tinyg code
intermediate commit
039.02 Intermediate commit - merge tinyg code
039.03 Intermediate commit - merge tinyg code
039.04 Intermediate commit - merge tinyg code - probing
039.04 Merge tinyg code; jogging - mostly back-porting to TinyG
039.07 Merge tinyg code; encoders, parsers, kinematics
039.08 Merge tinyg code; planner changes
039.09 Merge tinyg code; ready for test
039.10 Merge tinyg code; testing
039.11 Merge tinyg code; Fixed X direction mistake
039.12 Merge tinyg code; Re-instated the skip of the too-short moves.
Merge remote-tracking branch 'upstream/alden' into alden

Conflicts:
	TinyG2/cycle_jogging.cpp