Merge pull request #36 from jiwalker-usgs/NAWQAAN-334

NAWQAAN-334
Detecting if the requested sites actually contain MRB sites, if not, do
not include may load and monthly flow.
Monthly flow's "date" is actually already a water year. Need to just
report the year.
Added modtype to annual/may loads, and removed MEAN_C
Merge pull request #37 from thongsav-usgs/NAWQAAN-334

Nawqaan 334
Added transforms to split remarks from values. Discrete QW values will
be assumed to be remarked values as text
Changed to regex and pattern mattern matching for remark detection
Merge pull request #38 from thongsav-usgs/NAWQAAN-363

Added transforms to split remarks from values. Discrete QW values will
Added support for all NWIS QW remarks
Merge pull request #39 from thongsav-usgs/NAWQAAN-363

Added support for all NWIS QW remarks
unescaping escaped values
Merge branch 'master' of github.com:USGS-CIDA/nar-services into NAWQAAN-334