Merge branch 'release-4.0.6'
Merge branch 'release-4.0.7'
Update search markup/styles for accessibility concerns
Removes unnecessary form markup and duplicate input label. CSS updated
to support new selectors. Closes #659.
Print style updates

This helps to correct the site title formatting identified by
@mfairchild365 in issue #585, hides the hamburger icon
Merge pull request #663 from saltybeagle/lesshat-repo-fix

LESSHat repo has moved to lowercase
Addresses IE 8 Navigation Color Problem

@kabel #665 Adds fallback hex values for IE8
Addresses IE 8 Navigation Color Problem

@kabel #665 Adds fallback hex values for IE8
Implement a notice to Windows XP users for end-of-life.
Closes #666
Update XP warning copy.
Implement #666 using better logic and only showing the XP warning at UNL

The XP warning uses a service to check on campus IPs. This service is
currently only available via the insecure protocol.
Merge pull request #668 from kabel/fr-666

Implement a new warning for Windows XP
Appease the FAE tool by commenting an unlabeled/unused input
IdM Accessibility improvements

* Adds an accesskey to login/profile link for quick use
* Changes the list heading to use the wdn-text-hidden class (screen
reader only)
Add helper to allow screen-reader only text [A11Y]

Closes #622
Remove wdn-text-hidden from apps CSS.
Unified search does not need to submit the submit button

Removes the submit input's name
Appease FAE by putting a list descriptor above the social outposts
Improve [A11Y] for directory search

Removes fieldset, autocomplete, and adds a submit button (hidden)
Adds an accesskey to the apps drawer to match the 2006 template shortcut
Ensure the unified search label matches the size of the other headers