strcasestr does not exist on Solaris. Juraj Lutter provided configure patches plus a portable implementation

git-svn-id: svn://svn.powerdns.com/pdns/trunk/pdns@3020 d19b8d6e-7fed-0310-83ef-9ca221ded41b
unbreak strcasestr related recursor buildbreakage on darwin/freebsd/linux

git-svn-id: svn://svn.powerdns.com/pdns/trunk/pdns@3021 d19b8d6e-7fed-0310-83ef-9ca221ded41b
clarify error message, suggested by Michelle Sullivan and Jose Arthur Benetasso Villanova

git-svn-id: svn://svn.powerdns.com/pdns/trunk/pdns@3022 d19b8d6e-7fed-0310-83ef-9ca221ded41b
Mark Zealey noted that RRs with low TTLs could lower our query-cache-ttl persistently. Closes #662

git-svn-id: svn://svn.powerdns.com/pdns/trunk/pdns@3023 d19b8d6e-7fed-0310-83ef-9ca221ded41b
avoid potential compiler warning, thanks Aki Tuomi

git-svn-id: svn://svn.powerdns.com/pdns/trunk/pdns@3024 d19b8d6e-7fed-0310-83ef-9ca221ded41b
preliminary rc4 docs

git-svn-id: svn://svn.powerdns.com/pdns/trunk/pdns@3025 d19b8d6e-7fed-0310-83ef-9ca221ded41b
make pdnssec honour module-dir for launching backends, thanks Fredrik Danerklint

git-svn-id: svn://svn.powerdns.com/pdns/trunk/pdns@3026 d19b8d6e-7fed-0310-83ef-9ca221ded41b
final rc4 docs

git-svn-id: svn://svn.powerdns.com/pdns/trunk/pdns@3027 d19b8d6e-7fed-0310-83ef-9ca221ded41b
set version number to rc4; fix year in pdns.xml ;)

git-svn-id: svn://svn.powerdns.com/pdns/trunk/pdns@3028 d19b8d6e-7fed-0310-83ef-9ca221ded41b
update copyright years

git-svn-id: svn://svn.powerdns.com/pdns/trunk/pdns@3030 d19b8d6e-7fed-0310-83ef-9ca221ded41b
Merge remote-tracking branch 'git-svn'