Re-architecture of search (backend only)

Ambra

• Re-architecture of search (backend only)
• Remove formal corrections and retractions from TOC
• Upgrade DOJO for better AJAX functionality
• Enable EZ Reprint Service
• Direct link to PubGet? from CrossRef? page for OA articles
• Update current functionality to show PDF icons for only OA articles
• Create reciprocal links to RA's published in the past
• Verify SUSHI compliance
• Bug fixes