Add away reason to twitter parser

Change-Id: Ie01d370c37bee1f2df625912d651e4cdb768ff48
Reviewed-on: http://gerrit.dmdirc.com/2538
Reviewed-by: Shane Mc Cormack <shane@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

src/com/dmdirc/addons/parser_twitter/TwitterClientInfo.java

@@ -332,4 +332,10 @@ public class TwitterClientInfo implements LocalClientInfo {
         return AwayState.HERE;
     }
 
+    /** {@inheritDoc} */
+    @Override
+    public String getAwayReason() {
+        return "";
+    }
+
 }