Removed "Slot" field from application. (issue #11)

Removed "Slot" field from application.
Turned output buffering on.

This is a patch.  I screwed something up after the last import fix
(issue #10) commit and was getting an error telling me the system was
trying to redirect while it was still rendering output as soon as I
installed.  I couldn't actually figure it out, but stack exchange told
me this would fix it, and it did.
Made the "Joined" field on the member form default to today's date on form load.

Made the "Joined" field on the member form default to today's date on
form load.