added parameters for sync
Allow user to connect by specifying either GUID or IP address.
Merge pull request #3 from pkok/single_identifier

Allow user to connect by specifying either GUID or IP address.
Fix #2: Set the highest GeV packet size
Fix names/values of auto settings.
Merge pull request #5 from lucasb-eyer/auto

Fix names/values of auto settings.
Fix interface type
Fix dynamic reconfigure error with PTP