Fix handling of IRC color control sequences

An extra comma was being added after the control sequences
An empty color control sequence was not handled. It is supposed to
remove all color schemes.

exec/irc.js

@@ -1109,7 +1109,7 @@ function Screen_print_line(line)  {
 			codes.shift();
 			p2=codes[0];
 			codes.shift();
-			ending=","+codes.join(",");
+			ending=codes.join(",");
 			if(p2==undefined)  {
 				p2="-1";
 			}
@@ -1213,6 +1213,8 @@ function Screen_print_line(line)  {
 			return ret+ending;
 		}
 	);
+	// Empty color code means remove all color formatting
+	line=line.replace(/\x03/g,DEFAULT_COLOR);
 	if(line.length > 78)  {
 		// Word Wrap...
 		for(var j=0;j<=line.length;j++)  {

exec/load/irc-default.js

+var DEFAULT_COLOR=      "\x01N\x01W";
 var FROM_NICK_CURCHAN=	"\x01N\x01B<\x01N\x01W%s\x01N\x01B>\x01N\x01W";
 var FROM_NICK_OUTSIDE=	"\x01N\x01B<\x01N\x01W%s\x01N\x01B>\x01N\x01W";
 var JOIN_FORMAT=	"\x01N\x01C%s (%s) has joined %s";