firmware: remove o-file from repository
v1.10: Merging changes into testing
Merge remote-tracking branch 'origin/master' into testing
commandline: added --erase-only to micronucleus
commandline: removed out-of-date mac build
commandline: Removed hex files that don't belong here?
firmware: bootloader will only exit when program was loaded
commandline: resolve three warnings
commandline: pretty sure this should be a comparison not an assignment
commandline: silence a warning since this is used correctly
commandline: use C automatic stringification
commandline: whitespace
commandline: Makefile use shell assignments to execute once
Backticks in the variables would execute at each invocation.
With Macports, libusb 0.x config is called libusb-legacy-config.