Project Forum release 2.3.0

• Added internships (still being fully fleshed out)
• Added file upload types
• Project Proposals
  • Add support for inline images with ![title](link) or ![width=10px;alt-text](link)
• Management panel
  • Completely overhauled course edition management pages and added a lot of useful information
  • Added filtering by declarations
  • Added Brightspace group exports (Brightspace importable format)
• Lots of bugfixes and security updates