expose AddPeer binding (#493)

AddPeer binding is required to support peers with special roles like Whisper node with MailServer.

lib/library.go

@@ -442,3 +442,11 @@ func NotifyUsers(message, payloadJSON, tokensArray *C.char) (outCBytes *C.char)
 
 	return
 }
+
+//AddPeer adds peer by enode,
+//eg 'enode://da3bf389a031f33fb55c9f5f54fde8473912402d27fffaa50efd74c0d0515f3a61daf6d52151f2876b19c15828e6f670352bff432b5ec457652e74755e8c864f@51.15.62.116:30303'
+//export AddPeer
+func AddPeer(enode *C.char) *C.char {
+	err := statusAPI.NodeManager().AddPeer(C.GoString(enode))
+	return makeJSONResponse(err)
+}