Footer images now re-res; Redmine 2067
Resized logo
Footer layed out better on small screens now.
Fixed copy/paste error.
Last change.
Merge pull request #36 from yeastgenome/footer-redo

Footer redo
Merge branch 'master' into integ

Conflicts:
	sgdfrontend/templates/footer.jinja2
Fixed #2107. We now use sgdids to navigate between tabs.