Added a method to Pixmap to paint horizontally flipped images.
Merge branch 'fightingteam' of https://github.com/duke-compsci308-spring2013/vooga into fightingteam
Merge branch 'fightingteam' of https://github.com/duke-compsci308-spring2013/vooga into fightingteam
Merge branch 'fightingteam' of https://github.com/duke-compsci308-spring2013/vooga into fightingteam

Conflicts:
	srcutil/Pixmap.java
Merge branch 'fightingteam' of https://github.com/duke-compsci308-spring2013/vooga into fightingteam
Added methodto CanvasLayout for painting horizontally reversed images.