Merge pull request #365 from jread-usgs/master

WPS4R handling of ESRI NaNs: https://trello.com/c/jWqXcM8v
Added vulnerability items

* added new items
* filled out summary structure
* changed id to short form
Update hotness.json

* fixed tiny ids
* added attr
Merge pull request #366 from jiwalker-usgs/master

hotness changes