Discourage PAUSE accounts for non-contributors

We still get lots of requests "to submit bugs" or "for metacpan"
and so on.  This commit adds further text discouraging such
requests and directing them to Bitcard instead.
switch from YAML::Syck to Parse::CPAN::Meta
add support for bzip2 based packages
count configure_requires on Module::Build, reusing same source code
unify the use of isa_regular_perl wherever we mean it, we will have to deal with bleadperl sparately
prevent indexing of bleadperls for the time being
change URL after "a complaint that the current URL is stale" --David Golden
Thanks to Thomas Sibley for discovering that "the link points to somewhere other than it says"; reformatted to help future editors avoid the mistake
a second place with xray
reflect current state
promote 4 sections from h4 to h3, they deserve it and it makes them linkable. Thanks to Neil Bowers for asking for the linkability
first few lines for puppet
centos 6 mysql configuration
mysql complains about some options
gnupg is gnupg2
do not prescribe the type, just the create maam
nowadays the database name needs quoting because mod has become a reserved word some day
first step towards munin server
it seems more convenient if files/ is not a symlink but rather is accessed directly
munin requires httpd