Update

As much as possible w/o internet!
Added module only version of driver.
Small mods.
More PEP8.
PEP8.
Functions to SI instrument.
Forgotten __init__
Commiting in master because in wrong branch!
Complete skeleton.
Started the cli for SNMP.
PEP8, typos.
Merge branch 'monitor_module'
Merge branch 'spectral_instruments'
Modified si instr and driver, added more functions.
Conflicts:
	src/chimera/instruments/si/si.py
	src/chimera/instruments/si/sidrv.py
Merge branch 'newavtdrv'
Recovering guider files.
Conflicts:
	src/chimera/instruments/avt/avt.py
	src/chimera/instruments/avt/avtdrv.py
Typos et al.
Undo logging based mods that somehow made it to master; cleaned up recurrent strings corrupting source.
Modified all for unified logging scheme.
Removed spurious core/monitor.py conflicting with controller.