Add latest greenlighted projets

Add in definitions for the following projects:

* capwap
* persistence
* snmp (not to be confused with snmp4sdn)
* topoprocessing

Change-Id: I14a9f9bd5d76f254a274204856fdab777be26253
Signed-off-by: Andrew Grimberg <agrimberg@linuxfoundation.org>
Merge "Add latest greenlighted projets"