ported to REScala after the restructuring
fixed ReSequentialContainer for manually adding components to work again
added ReLayoutContainer and ReBorderPanel
Merge branch 'master' of github.com:guidosalva/RESwing

Conflicts:
	ReSwing/src/reswing/ReSwing.scala
	ReSwing/src/reswing/ReSwingValue.scala
	ReSwing/src/reswing/ReTextArea.scala
	ReSwing/src/reswing/ReTextComponent.scala
	ReSwing/src/reswing/ReTextField.scala