updated sprinter driver
Merge branch 'develop' of https://github.com/rspelling/openpnp into rspelling-develop

# By Richard Spelling
# Via Richard Spelling
* 'develop' of https://github.com/rspelling/openpnp:
  updated sprinter driver

Conflicts:
	gui/src/main/java/org/openpnp/machine/reference/driver/SprinterDriver.java