Create feature branch. feature needs work

implement CMDERR processing. associate err with thread and command
class running on thread report error next time command relating to the
class is called and clear err
Merge branch 'master' into cmderr-handler
Make galil class require only two arguments: device and side
Create scripts to download code from the galils
Add the galil refrence manual to the repo
Add support for monitoring the galil for firmware errors.
Merge branch 'cmderr-handler'