Requested revisions to both package-page layouts.
Merge branch 'dryad-staging' into trello-34-homepage
Fix for missing sub-menus (caused by overflow:hidden)
Attempted fix for inconsistent formatting of lower Home-page blocks.
Misc. minor fixes to home page
Merge remote-tracking branch 'origin/trello-34-homepage' into dryad-staging
Merge branch 'dryad-staging' into trello-34-mailinglist

Conflicts:
	dspace/modules/xmlui/src/main/webapp/themes/Mirage/Mirage.xsl