Merge pull request #22 from cschroed-usgs/master

Added safe exampleContext.xml
Updated spreadsheet header matter.
Merge pull request #23 from cschroed-usgs/NSM-208

Updated spreadsheet header matter.
Removing problematic characters.
Merge pull request #25 from cschroed-usgs/NSM-208

Removing problematic characters.
Update daily-header.txt

Removed pcodes from column descrips
Update discrete-header.txt

removed pcodes from column descrips
Update discrete-header.txt

missed 2 pcaodes
removed the basin or site reference