Fixed errors caused by optimization on Ubuntu by disabling it. Also, fixed
a bug that would cause usb write errors on startup.
Merge branch 'wafertest' of https://github.com/frmeier/psi46test into wafertest

Conflicts:
	Makefile
Merge pull request #3 from cfangmeier/wafertest

Wafertest
This request solves an issue with usb on Mac/Linux. I will revert his changes to the Makefile in another commit.