Wrote test plan in comments for plugin.update_port
Implemented update_port
Implemented unit tests for Plugin.update_port
Set deallocated to false upon update_port
Implemented Subnet.next_auto_assign_ip for IP address allocation
Added exception for empty body argument to update_port
Fixed integration bugs on update_port
Merge pull request #39 from asadoughi/ports_redo_3

Implemented update_port