Merge pull request #102 from bgamari/fixes

Player: Reduce block queue depth to 16
Ben's configuration

Conflicts:
	src/libs/Kernel.cpp
Gcode: Ensure queued is initialized

This was a silly and obvious oversight from
6a3328dfe514e66a98c0cf5adc7252d333567e83. Thanks to wolfmanjm for
spotting it.