fix for "missing" libmysqlclient on RHEL/CentOS based systems
actually grab polarssl version number, thanks Morten Stevens
Merge pull request #1114 from mind04/auth-3.3.1

Auth 3.3.1 suggestions
Fix handling of empty lookup/list result
Unit test for empty lookup/list result
Support for += syntax for options, candidate for ticket #502
make sure we have a parrent option
Support for += syntax for options, candidate for ticket #502
allow empty parent
Now sorts includes, fixes #913
Implement sort properly with POSIX locale
Fixed argument handling
Removed debugging
fix base64 decoding for big endian archs on which long is not 32 bits (like s390x)
force ragel alphtype to unsigned char, fixing non-ASCII TXT parsing on signed char platforms like s390x
s/dnswasher/dnsreplay in dnsreplay manpage
send empty SERVFAIL on exeeded retargetcount and log failures
update loop breakout test
do right timezones right
correct overloading of feedRecord

G++ 4.8 does not warn about this, but clearly an overload with the
wrong signature will not work when called through a base class pointer.
(clang++ 3.3 produces a diagnostic.)