Added ability to import a single concept from the Snomed CT browser.
Removed call to get concept data since we now have what we need in the get Refset call
changes to new user management URL
Fixed filename for export
Merge branch 'develop' into feature/Bootstrap-CSS

* develop:
  Fixed filename for export
  changes to new user management URL
  Added ability to import a single concept from the Snomed CT browser. Removed call to get concept data since we now have what we need in the get Refset call

Conflicts:
	app/templates/refsets/new.hbs
	dist/assets/refset.js