Adding top-box alignment JS and temporary override.

To prevent JS box alignment, add 'noalign' to the query string. To
prevent JS tab-button behavior (and just jump to anchors), add 'notabs'
to the query string.
Discouraging listed DOI's from wrapping.
Modified page titles to include 'Dryad'

Adding default page title 'Dryad', and appending ' - Dryad' to simple page titles.
Restoring matching block heights on Home page.
Collapsing FAQ (all behavior in JS, degrades to jumping links)
Adding margin above page-license (on all pages)
Adjusting margin above footer.
Removing "internal" link within FAQ (no sensible behavior for this)
Adding ALT text to social-media icons
Encoding ampersands in JS (to avoid XSL parsing error)
Merge remote-tracking branch 'origin/jima-accessibility-sweep' into merge-staging

Conflicts:
	dspace/modules/xmlui/src/main/webapp/themes/Mirage/lib/css/style.css
Remove &mdash;, which wasn't being recognized by the XML parser.
Encode a few more elements to make the XML parser happy.