Renamed s3g's accelerated version flag is now s4g_flag
* Added most of S4G_VERSION function in s3g.py
* Added s4g_Version command
Merge branch 'post_release' into s4g

Conflicts:
	makerbot_driver/constants.py
	makerbot_driver/s3g.py
* S4G_VERSION is being changed from a query command to an action command.
Updated s4g_version
Finalized s4g_version command.
Fixed ReadEepromEntry script
Renamed Bot to Machine to fit with naming standard
Optimized logging
Brought examples up to date
Keyward Arg in factory method should be firmware_version, not fw_verison
pep8 of tests, and updated the sys path override to make sure that testing grabs the local makerbot_driver, not the system makerbot_driver.
added code and test for looking up vid/pid by machine class. Fixed minor spelling err.
minor refactors and commentary for Processing.
minor pep layout cleanup
added some comments, fixed a function I named poorly
refactored constructor. Got rid of many many unneeded eeprom reader constructions. Moved some constants into the class namespace for clarity
Updated changelog for release 1.0.1
removed deprecated MachineDetector test, removed commit error in MachineDetector