First pass at better error messaging on forms. This pattern can be applied throughout.
Update link to new issue tracker.
Add link to install instructions
For LDAP auth, prevent fallback auth on an account that has authenticated with LDAP. Fixes #19
Allow assignments to have both a description and attached files. Fixes #10
Ensure that all markup transofmrations are uniform. Fixes #20
Correctly handle a change in journal settings for an assignment. Fixes #14