Many bug fixes

mkRINEX+CGGTTS.sh got many updates.  Other scripts had bug fixes.
Added sbf2status.py script
Prep for update of downstream branches
Added sbf2dop.py
Merge branch 'nu' into dev

Merges changes made on neutrino, which pertain to extracting data from
SBF log files and post-processing results, into dev branch an then
public.