Add SSL support to eCrud.
Fixed 404s returned from DELETE to fs collection.
Added error handling to GETs on fs collection so 404 is returned instead of throwing exception.
Merge branch 'master' of https://github.com/department-of-veterans-affairs/vlerdas-ecrud
Added HMAC header support to authenticate an authorize clients.
Add SSL support to eCrud.
Merge branch 'ssl' of https://github.com/dvazquez1027/vlerdas-ecrud into ssl

Conflicts:
	bin/server.js
Merge branch 'ssl'
Merge branch 'master' into hmac
Fix to downloadfiles error handling.
Merge branch 'master' into hmac
Added HMAC authentication.
Merge pull request #5 from dvazquez1027/hmac

HTTPS and HMAC
Merge from upstream