Extract connection-independent code out of DUT obj
Allow setting DUT class via -R.
Move base class into a separate module.
Fix log_path
Extract status methods for test_ident()
Skip settle time test for remote devices.
Use Y-M-D for log directory format
Make log_path public.
Install rftest.py as vesna_rftest.
Moved SignalGenerator class to vesna.rftest
README update.
Fixed attribute name.
Merge branch 'remote-testing'