Add recipes for ska Perl
Add a meta pkg for the HEAD/DBI perl pkgs
Add 'classic' ska perl libs that are just copied in
Add perl build order list
Add zlib to Net::SSLeay recipe
Move Perl recipes to subdir in recipe dir
Update all Perl recipes to use /proj/sot/ska/pkgs
Update Ska::Convert to 0.02 from 0.01
Merge pull request #37 from sot/conda_perl_5.18.2

Include Perl 5.18.2 and ska Perl modules