Merge pull request #3 from jiwalker-usgs/master

Added a README and xercesImpl
Added CORS to thredds.
Merge pull request #4 from cschroed-usgs/addCORS

Added CORS to thredds.
[maven-release-plugin] prepare release ncsosx-parent-2.1
[maven-release-plugin] prepare for next development iteration
Merge jiwalker/master
Time filtering is now working
* needed to handle case where eventTime is null
* is eventTime in the spec? time is what is advertised by getCaps
* setting the DATA_TIME field based on request
* EndPosition was mis-capitalized
Looked it up, specification says the the parameter is eventTime