Fixed some spanish

I had a real mexican look over the spanish text
Unit tests and clean up

* Added more unit tests
* All unit tests pass
* Cleaned up the two model classes
* ToDo:
   * More comprehensive unit tests for the lasers
   * Possibly a laser model class, game model seems overloaded
   * Come up with better data transfer process between classes
fix the issue that laser is not displayed
ComponentModel tests and laser updating

* I recommitted the unit tests for component Model
* Fixed the issue with the laser not updating
* When we turn the battery off, emitter and deflector images don’t
update. This will be added as an issue.
fix an issue when battery is turned off, the laser components are not off
Merge branch 'PowerUp_TestandClean' of https://github.com/zsweedyk/CS121F14S4_Team8 into PowerUp_TestandClean

Conflicts:
	GameModel.m
	PowerUPTests/ComponentModelTests.m
Merge branch 'PowerUp_TestandClean' of https://github.com/zsweedyk/CS121F14S4_Team8 into PowerUp_TestandClean
Merge pull request #31 from zsweedyk/PowerUp_TestandClean

Power up testand clean