Handle NODE_CUSTOM action and print default node status

"performing custom action"

Normally, the sysop would set the NodeActionCustom text.dat string
to override this.

src/sbbs3/getnode.cpp

@@ -592,6 +592,9 @@ void sbbs_t::printnodedat(uint number, node_t* node)
 				case NODE_SYSP:
 					bputs("performing sysop activities");
 					break;
+				case NODE_CUSTOM:
+					bputs("performing custom action");
+					break;
 				default:
 					bputs(ultoa(node->action,tmp,10));
 					break;

src/sbbs3/node.c

@@ -387,9 +387,13 @@ void printnodedat(int number, node_t node)
 				case NODE_SYSP:
 					printf("performing sysop activities");
 					break;
+				case NODE_CUSTOM:
+					printf("performing custom action");
+					break;
 				default:
 					fputs(itoa(node.action,tmp,10),stdout);
-					break;  }
+					break;
+			}
 			printf(" %s",node_connection_desc(node.connection,tmp));
 			if(node.action==NODE_DLNG) {
 				if((node.aux/60)>=12) {

src/sbbs3/userdat.c

@@ -1570,6 +1570,9 @@ char* nodestatus(scfg_t* cfg, node_t* node, char* buf, size_t buflen, int num)
                 case NODE_SYSP:
                     strcat(str,"performing sysop activities");
                     break;
+				case NODE_CUSTOM:
+					SAFECAT(str, "performing custom action");
+					break;
                 default:
                     sprintf(str+strlen(str),"%d",node->action);
                     break;