messages.xml: Ilri -> ILRI

Signed-off-by: Alan Orth <alan.orth@gmail.com>
messages.xml: Update for 4.2 strings

Signed-off-by: Alan Orth <alan.orth@gmail.com>
xmlui: Add new ILRI theme based on 4.2 Mirage

For now it's just a literal copy of Mirage from the DSpace 4.2 tree:

    cp -r dspace-xmlui/src/main/webapp/themes/Mirage/ dspace/modules/xmlui/src/main/webapp/themes/ILRI-new

Signed-off-by: Alan Orth <alan.orth@gmail.com>
xmlui: Point to correct ILRI-new.xsl

Signed-off-by: Alan Orth <alan.orth@gmail.com>
xmlui: Modify header link in ILRI-new theme

Signed-off-by: Alan Orth <alan.orth@gmail.com>
xmlui: Only display profile information in header if authenticated

Bringing functionality / layout of old ILRI theme into ILRI-new.

Signed-off-by: Alan Orth <alan.orth@gmail.com>
xmlui: Hardcode Google Analytics UA in ILRI-new

Signed-off-by: Alan Orth <alan.orth@gmail.com>