Removing stray %> from view
Finished testing exception handling (for now)
Removing excess padding on fieldset control groups
Updating Generic File to require file

Seems reasonable
Updating validation for GenericFile#file

Really, to create a generic file you should attach a file. From there
I'm not as concerned
Normalizing Clam and Fits behavior in test/dev
Adding ability to delete a related file
Updating button text for greater clarity

"Create Generic File" was misleading, as we wanted to express the idea
of "Attaching" a file to a parent container.