Add vocab concept mock. Retrieve custom ConceptForms.
Fix typo
Add vocab concept to gallery.
Make file moves extension templates into base template dir.
Compile sass for extensions
Compile extension Sass, move extension images in place.
images -> img
Simplifying extension, no longer mixing ext files with built-in.
Updating vocab module location.
Update mocks for extension.
Add to context mocks
Fix mock
Fix mock. Deep fetch on context in ConceptForm.