Merge pull request #320 from jread-usgs/master

median instead of mean. NWIS link sites
Merge pull request #321 from jread-usgs/master

date featured
hyperlink to usgs.gov
Merge pull request #322 from mwernimont/master

hyperlink to usgs.gov
minor text and link edits from S Cooper
usgs footer
Merge pull request #324 from mwernimont/master

usgs footer
Merge pull request #323 from eread-usgs/master

minor text and link edits from S Cooper
fixed alias email address
Merge pull request #325 from eread-usgs/master

fixed alias email address
Fix code for dataRetreival changes
Further fix for dataRetreieval API changes
2014-11-18 vizzie update.
Merge pull request #327 from lawinslow/master

dataRetreival API update and Nov 18th update