add tables: vc_user,tsubmit,qsubmit
add korma stuff for new tables: most of the model-related stuff is probably not needed
inserting test-submits
now student submittal of tests works
s/take/test-submit-form/ to prevent collision with clojure.core/take
in student mode, hide test answers and show 'take test' link
comments about POSTGRES_ENV
show verbs in column view
remove test that reflects behavior that is not considered correct anymore regarding NEI (not enough information)
remove tests that don't pass: forest and generate
default 'update' and 'select' functions so we don't need to re-define them for every new relation
add '/'-trailing option
fix group update: redirect on GET
add classes and students_in_classes
stub out classes
s/class/vc-class/
add db namespace
stubbing out 'classes' view
must be admin to see /class
stub out class-display code