Moodlefuse

- Fix first time db install issue

- Handle all file types
- Refine forum message
- Ensure unable to edit message is user friendly

- Handle forums on Moodle nicely
- Increase javascript timeout

- Use /tmp as location for cache

- Fix assignment submission viewing
- Fix assignment submission listing
- Improve error handling for assignment ops

- Fix modify files bug
- Fix grading bug
- Lower javascript timeouts
- Fix session expiry issue
- Fix file attributes bug
- Improve error handling