ntopng: depend on luajit at runtime.

Closes #32213.
pdnsrec 3.6.1

Security Update: http://blog.powerdns.com/2014/09/10/security-update-powerdns-recursor-3-6-1/
pdnsrec: add 3.6.1 bottle.

Closes #32207.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
pdnsrec: general cleanup.
luajit: add 2.0.3 bottle.
rrdtool: add 1.4.8 bottle.