Fix: add Refinements list in search filter
Fix: redirect url for browse by
Merge remote-tracking branch 'origin/atmire-1446-31' into dryad-staging

Conflicts:
	dspace/modules/xmlui/src/main/webapp/themes/Mirage/Mirage.xsl
Add option to corresponding author if empty

This fixes the bug where the subject keywords label gets eaten up
Merge remote-tracking branch 'origin/dan_fix_submission_form' into dryad-staging
Correct IndexOutOfBoundsException when a README has no extension
Merge branch 'dryad-staging' into jima-prelaunch-cleanup