Hide the Minor facet unless a Major is selected.
Order search results by last name or last updated
Revert ordering search results commit

I want to get the "hidden" minor stuff merged in and make changes to the
'last initial' view as requested by the client. I'll do the search
result ordering on a seperate branch.

This reverts commit
dae47cd5caffa2ad67a22836a4afd7fa5d65623b.
UI tweak to A-Z index
Fix bug of grad year facet not displaying 'remove'
Merge pull request #36 from ucsd-ra/hide-minor

Show minor facets iff a major facet is selected