force unload module on start if pfring not enabled
sleep between application stop now is 1 sec
changed message if zc/dna driver is not loaded due to missing configuration


git-svn-id: https://svn.ntop.org/svn/ntop/trunk/PF_RING@8666 a02cd0c1-8e76-42e1-a119-56f9641475e2
changed log message


git-svn-id: https://svn.ntop.org/svn/ntop/trunk/PF_RING@8667 a02cd0c1-8e76-42e1-a119-56f9641475e2
Changed hugepages allocation if no configuration is available. 512 MB will remain available to the system


git-svn-id: https://svn.ntop.org/svn/ntop/trunk/PF_RING@8672 a02cd0c1-8e76-42e1-a119-56f9641475e2