Update title on feeds.
Add nodata parameter to FDSN web service.
Update documentation to include nodata parameters.
Fix validation error.
Merge pull request #45 from ehunter-usgs/EQH-2914

Update title on feeds.
Merge branch 'EQH-2911' of https://github.com/ehunter-usgs/earthquake-event-ws into ehunter-usgs-EQH-2911
Add "message" to error calls when no data
Update Event implementation to be consistent with PDL
Add support for includesuperseded parameter, change includedelete to includedeleted
Add includesuperseded to api documentation page
sort product types alphabetically in toArray()