Changes from benchtop.
Add benchtop configs.
Implement controller side of duty cycle tester.
Implement GUI side of duty cycle tester.
Reset duty cycle counter when not in duty cycle mode.
Fix timing for duty cycle tester.
Amps aren't in foldback if controller isn't enabled.
Merge branch 'curLimitEst' of https://code.google.com/p/atrias into curLimitEst
Make controller build.

Soo-Hyun doesn't know C.
Fix things!