Note branch goal in Changelog
Add additional cmd fields to Language model definition with migration script
Language information controller and templates
Include link to language info page on submission details
Also include links to language info in assignments crc
Delegate command running for version and help to the Language model class
Include page test cases for languageinfo
Some beautifications
Merge branch 'feature/languageinfo' into develop
Complete rewrite of documentation navigation section, awesome
sauce.lib.menu awesomeness!

Now also used for the event menu
Code cleanup