Refactor, no more generic paramter map.
Merge pull request #8 from thongsav-usgs/NAWQAAN-333

Refactor, no more generic paramter map.
Merge branch 'master' of github.com:USGS-CIDA/nar-services into NAWQAAN-44

Conflicts:
	nar-webservices/src/main/java/gov/usgs/cida/nar/service/SiteInformationService.java
	nar-webservices/src/main/java/gov/usgs/cida/nar/webservice/DownloadService.java