Type coercion for luajava package, make luajava an "addon"

src/test/res/swingapp.lua

@@ -0,0 +1,20 @@
+	
+frame = luajava.newInstance( "javax.swing.JFrame", "Texts" );
+pane = luajava.newInstance( "javax.swing.JPanel" );
+borderFactory = luajava.bindClass( "javax.swing.BorderFactory" )
+border = borderFactory:createEmptyBorder( 30, 30, 10, 30 )
+pane:setBorder( border )
+label = luajava.newInstance( "javax.swing.JLabel", "This is a Label" );
+
+
+layout = luajava.newInstance( "java.awt.GridLayout", 2, 2 );
+pane:setLayout( layout )
+pane:add( label )
+pane:setBounds( 20, 30, 10, 30 )
+
+borderLayout = luajava.bindClass( "java.awt.BorderLayout" )
+frame:getContentPane():add(pane, borderLayout.CENTER )
+jframe = luajava.bindClass( "javax.swing.JFrame" )
+frame:setDefaultCloseOperation(jframe.EXIT_ON_CLOSE)
+frame:pack()
+frame:setVisible(true)