Fix Blank Line Fail in Teams File

When the relay loads team data it tries to parse an empty
string. It should just skip empty strings.

Closes #31

Author: vaage

src/codeu/chat/RelayMain.java

@@ -114,7 +114,9 @@ private static void loadTeamInfo(Server relay, String file) {
 
         line = line.trim();
 
-        if (line.startsWith("#")) {
+        if (line.length() == 0) {
+          // This line is blank, skip it
+        } else if (line.startsWith("#")) {
           // this is a comment, skip it
         } else {