Reduces visibility of internal fields/methods

Reduces the visibility of all fields to private and create setters/getters
when necessary. Exceptions are fields with GuiSync as these need to be
public.

Reduces the visibility of internal methods to private/protected/default when possible.

src/main/java/appeng/services/compass/CompassException.java

@@ -24,7 +24,7 @@ public class CompassException extends RuntimeException
 
 	private static final long serialVersionUID = 8825268683203860877L;
 
-	public final Throwable inner;
+	private final Throwable inner;
 
 	public CompassException( final Throwable t )
 	{

src/main/java/appeng/services/compass/CompassRegion.java

@@ -61,7 +61,7 @@ public final class CompassRegion
 		this.openFile( false );
 	}
 
-	public void close()
+	void close()
 	{
 		try
 		{
@@ -79,7 +79,7 @@ public final class CompassRegion
 		}
 	}
 
-	public boolean hasBeacon( int cx, int cz )
+	boolean hasBeacon( int cx, int cz )
 	{
 		if( this.hasFile )
 		{
@@ -96,7 +96,7 @@ public final class CompassRegion
 		return false;
 	}
 
-	public void setHasBeacon( int cx, int cz, final int cdy, final boolean hasBeacon )
+	void setHasBeacon( int cx, int cz, final int cdy, final boolean hasBeacon )
 	{
 		cx &= 0x3FF;
 		cz &= 0x3FF;