cleaned up

refined example and trimmed unnecessary text in informational output
added removeObservation.py

will remove the given obsid from all tables in the DB
added a few tidbits

imports the appropriate modules and sets of the SQL query
added removeObservation nb

a notebook to test the removeObservation.py code
debugging

removed unnecessary numpy loading and call to self
updated NB
bug fixes

added pandas, fixed MySQL commands, updated example.