Add an initial set of Perl Module requirements to debian/control.

Add to Depends: libberkeleydb-perl, libdb-file-lock-perl.
Add to Recommends: libaudio-mixer-perl
Add to Suggests: libdbi-perl
Add libwww-perl and libtext-levenshtein-perl for the misterhouse package.
debian/PerlModulesTODO.html as of 6 Apr 2013.