Issue #343: Add network_get_upnp_info RPC call

The call is now created, and should be working, but I haven't tested it
yet.
Merge branch 'dryrun3' of github.com:BitShares/bitshares_toolkit into dryrun3

Conflicts:
	libraries/client/client.cpp
Issue #344: Update some log lines to the new style

Replaced display_status_message calls with ulog.