mkCLKns includes switch to UTC time from GNSS time
Added getCorrData.sh
Updated README.md file

Added brief comments about the new files that were added since the
last update of the README file.  More documentation is needed.
Merge branch 'nu' into dev

Many new helper scripts created on neutrino.  I'm going to import these
and work to integrate them with the main public branch, public.
Minor tweeks to GetCorrData.sh
SBF extaction scripts updated

 * Improved messaging. PVTGeo block codes and other block data is
 now written to STDERR when problems are encouterned, not just generic
 error message.
 * Improved error checking loging in both programs.
 * Unified header rules. Both scripts now have same header options
 and sbf2offset.py now outputs header by default
Merge branch 'nu' of https://github.com/PaulDeStefano/pythonsamples into dev

Pulled in changes to SBF extraction scripts