#3192: Handle single logon link.
Fix merge conflicts.
#3192: Finish up login link to ready it for testing.
#3192: Redirecting to a site works. Don't know if logging in works.
#3192: Successfully log in user and redirect to a vsite.
#3192: Open cp/welcome overlay when user is redirected after creating a site.
Merge SCHOLAR-3.x into 3192-site_login_link
#3204: Fix js error on link form when there are no files.
add update hook and update info file #3244
#3204: Load everything needed to insert a link to the first file ever uploaded to a site.
#750 #3249: Properly read and correct links to internal paths.
#3195: Remove arrows from menus if link has no accessible children nodes.

Keeps the link if it does, but they aren't displayed on this page for some reason.
os harvard theme. add txt for new why use section. shrink analytics icon.#3193
tabs widget. IE8 fix. kill background image from ul. #3296
Update to 3.7
Merge branch 'SCHOLAR-3.x' of github.com:openscholar/openscholar into SCHOLAR-3.x
Ballard theme. fix menu when in sidebar padding. #3263
hwpi: fix Second level bulleted list not displaying correctly.#3300
gking theme: fix position of green add new button. #3301
Fix the limitation of site registration.