Allow for Gcodes with numerical values higher than 255 in Switch module
Initialise actuator positions to current cartesian position (X0 Y0 Z0) so the first move is correct if homing is not performed. Addresses issue #333
re assign encoder A/B pins for panel
Laser: do not dereference laser_pin if incorrect pin is set in config. Update config defaults to use appropriate pin
add optional back button to rrd glcd
Merge pull request #334 from wolfmanjm/upstreamedge

add optional back button to rrd glcd
Merge remote-tracking branch 'upstream/edge' into working
add rakefile WIP
fix Rakefile
update azteeg config