list OSX as supported in the opening info messages.
update the license link.
make deleting the anonymous mysql user notfatal.
re-arrange the mysql stuff so that it always goes back to scan_for_mysqld after installing mysql rather than only on some platforms.
this avoids a scenario where the mysql_root_password is null instead of '' which causes warnings and misses the fact that the password is wrong if/when it is wrong in that case.
don't modify the top level nginx.conf if we see either of our possibile modifications in it.
disable redirects to the domain name in the per-site nignx.conf we generate to avoid actually getting redirected to the actual example.com when testing/in dev.
people can comment that bit out for production use.
update more license links; make the Imager::File::PNG optional everywhere, not just on OSX, since it's currently failing on OSX and Debian