fixes issue 3036: Alter StyliserStylesTest to avoid Line class, make Line class package private

Change-Id: I8943d04c563a05a7f3643cafb9065f49aa3eec91
Reviewed-on: http://gerrit.dmdirc.com/8
Reviewed-by: Shane Mc Cormack <shane@dmdirc.com>
Tested-by: Gregory Holmes <greboid@dmdirc.com>

src/com/dmdirc/addons/ui_swing/textpane/Line.java

 /**
  * Represents a line of text in IRC.
  */
-public class Line {
+class Line {
 
     private final String[] lineParts;
     private final ConfigManager config;

test/com/dmdirc/ui/messages/StyliserStylesTest.java

 
 package com.dmdirc.ui.messages;
 
-import com.dmdirc.addons.ui_swing.textpane.Line;
 import com.dmdirc.config.IdentityManager;
+import com.dmdirc.ui.core.util.Utils;
 import java.awt.Color;
 import java.awt.font.TextAttribute;
 import java.text.AttributedCharacterIterator;
         final DefaultStyledDocument doc = new DefaultStyledDocument();
         final StringBuilder builder = new StringBuilder();
         Styliser.addStyledString(doc, new String[]{input});
-        final AttributedCharacterIterator aci = new Line(new String[]{input, }, 
-                IdentityManager.getGlobalConfig()).getStyled().getIterator();
+        final AttributedCharacterIterator aci = Utils.getAttributedString(
+                new String[]{input, }, IdentityManager.getGlobalConfig()).
+                getAttributedString().getIterator();
          
         Map<AttributedCharacterIterator.Attribute, Object> map = null;
         char chr = aci.current();