Initial commit
 Changes to be committed:

	new file:   src/main.scala
	new file:   src/systemscala/component.scala
	new file:   src/systemscala/event.scala
	new file:   src/systemscala/logger.scala
	new file:   src/systemscala/signal.scala
	new file:   src/systemscala/simtime.scala
	new file:   src/systemscala/simulate.scala
	new file:   src/systemscala/systemscala.tar
	new file:   src/systemscala/thread.scala
  delete .tar
	deleted:    src/systemscala/systemscala.tar
Merge https://github.com/wehu/systemscala