Merge pull request #16 from thongsav-usgs/NAWQAAN-333

Nawqaan 333
Merge pull request #17 from thongsav-usgs/NAWQAAN-333

Removed header retrieval functionality from the service layer and bring
Slight fix with how the WaterML 2 is parsed
Merge branch 'master' of github.com:USGS-CIDA/nar-services into NAWQAAN-44
NAWQAAN-44
* Renaming function to be more clear
NAWQAAN-334
* Muxing is now working
Merge pull request #18 from jiwalker-usgs/NAWQAAN-334

NAWQAAN-334
Site's now filtering down to only MS sites when site type = MRB
SOS services now get all station ids when none selected, also site
filtering criteria affect list of sites going into SOS calls.