Updates PlaylistManager to use faster jackson XML serialization.

Removes native xml.bind serialization for improved compatibility with
 Java 9.

 Global optimize imports on the entire project.

src/main/java/io/github/dsheirer/settings/FileSetting.java

@@ -1,52 +1,55 @@
 /*******************************************************************************
  *     SDR Trunk 
  *     Copyright (C) 2014 Dennis Sheirer
- * 
+ *
  *     This program is free software: you can redistribute it and/or modify
  *     it under the terms of the GNU General Public License as published by
  *     the Free Software Foundation, either version 3 of the License, or
  *     (at your option) any later version.
- * 
+ *
  *     This program is distributed in the hope that it will be useful,
  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *     GNU General Public License for more details.
- * 
+ *
  *     You should have received a copy of the GNU General Public License
  *     along with this program.  If not, see <http://www.gnu.org/licenses/>
  ******************************************************************************/
 package io.github.dsheirer.settings;
 
+import com.fasterxml.jackson.annotation.JsonSubTypes;
+
 import java.io.File;
 
 
+@JsonSubTypes.Type(value = FileSetting.class, name = "fileSetting")
 public class FileSetting extends Setting
 {
-	private String mPath;
-	
-	public FileSetting()
-	{
-		super();
-	}
-	
-	public FileSetting( String name, String path )
-	{
-		super( name );
-		setPath( path );
-	}
-	
-	public String getPath()
-	{
-		return mPath;
-	}
-	
-	public void setPath( String value )
-	{
-		mPath = value;
-	}
-	
-	public File getFile()
-	{
-		return new File( mPath );
-	}
+    private String mPath;
+
+    public FileSetting()
+    {
+        super();
+    }
+
+    public FileSetting(String name, String path)
+    {
+        super(name);
+        setPath(path);
+    }
+
+    public String getPath()
+    {
+        return mPath;
+    }
+
+    public void setPath(String value)
+    {
+        mPath = value;
+    }
+
+    public File getFile()
+    {
+        return new File(mPath);
+    }
 }