Moved readparse to common.pl, since it's, well, common to all the cgi stuff. Other fixes in common.pl.
Random typo fixes in the CGIs.
Added bug subject and package name in closing messages. I shouldn't be repeating myself. Skip checking for new installs or the config file, debbugsconfig needs to regenerate the HTML, and it will detect existing conffiles. I've used it before on an internal machine, but that has been the first net-visible machine I've used it on. Seeing as I didn't really need to use anything with a hefty db backend, that my poor Sparc 5 would not have coped with, debbugs was an ideal solution.