moved "Chosen" building multi-select code into format_location_filter method so it functions properly
fix SPOT-991
Merge branch 'Chosen'

Conflicts:
	static/js/desktop.js
Merge branch 'master' of github.com:uw-it-aca/spacescout_web

Conflicts:
	static/js/global.js
Merge remote-tracking branch 'origin/multi_select'
adds optional authentication, changes how filter menu appears, adds initial favorites template
Fixed relative url issues for SPOT-1403
Reverse url lookups for SPOT-1403.
Removed the optgroups if isMobile is true - select multiple with optgroups causes a Safari segfault. Fixes SPOT-991.
Moved en_US locale to en and added back values that went missing.
Space name and location description should now wrap.
Merge branch 'safari_segfault'
You can now select buildings, so this should be plural.
Merge branch 'master' into header_fixes
Moved the back button to a better location on Desktop. Fixes SPOT-1330.
Updated FAQ link everywhere.
SPOT-882

Don't put an empty <p> tag in there if there aren't access notes!
Merge branch 'master' of github.com:uw-it-aca/spacescout_web
SPOT-1062, SPOT-1140

Removing no pref.  There's no way to implement what those dropdowns had in a meaningful way.  Start and end now both default to now, and are reset properly.
Request the release version of the maps API if we're using an API key.
The mobile subpages don't load a map, and therefore don't need the maps API.