Add colour back when editing.

nickcolours/src/com/dmdirc/addons/nickcolours/NickColourInputDialog.java

 
         nickname = new JTextField(defaultNickname);
         network = new JTextField(defaultNetwork);
-        textColour = new ColourChooser(colourManager, iconManager, "", true, true);
+        textColour = new ColourChooser(colourManager, iconManager, NickColourUtils
+                .getStringFromColor(defaultTextColour), true, true);
     }
 
     /** Initialises the listeners. */