fixed bug where extraneous packets were being encapsulated in dnssd packets
Merge pull request #10 from opentechinstitute/dnssd-fix

fixed bug where extraneous packets were being encapsulated in dnssd packets.  Tested and confirmed to work - a grep through all incoming raw olsrd packets on a non-gateway node turned up no evidence of the URLs moving through the gateway.
Fix Issue 11

Use NULL rather than "" to signal that we are
not passing any pins to the keyring_enter_pin
function.
Merge pull request #12 from opentechinstitute/no-11-fix

Fix Issue 11
Merge branch 'debian-packaging' into commotion