authInterceptor redirects to /login on 403 (but with beta redirects, does the right thing too)

Conflicts:
	app/assets/javascripts/app.js
fr to change doi and hdl urls to link to appropriate handlers. fixes 1160
links to publications open in new tab. fixes 1134
Backend for singular study citations

Each volume may have an optional single privileged citation representing
the companion piece.  Inconsistent schema.
simple volume edit overview buttons
default idle time 1s
add crossCite model and streamline modelService, including it.
Complete server-side study citation, handling

Synchronize schema; expose study
task 1173 - header for investigators on splash page
registration: change pdf link text. fixes #1177
registration: investigator agreement link to new tab. Fixes #1176
fixed non-functional create page
toolbar has first names and register link
regex added to constants -- put them here from now on. there's a few floating around
registration: change pdf link text. fixes #1177
registration: investigator agreement link to new tab. Fixes #1176
Merge branch 'production' into excerpts
fixes searchForm.js typo - seearchFn -> searchFn
Removed 'deep dearch' query function and calls to it. Fixes #1198
Include all editors under Investigators

Fixes #1189