Ex5 from CourseraML
Merge branch 'master' of https://github.com/turtlemonvh/StanfordCSClasses

Conflicts:
	Cousera ML/ex5/ex5/ex5.m
	Cousera ML/ex5/ex5/learningCurve.m
	Cousera ML/ex5/ex5/linearRegCostFunction.m
	Cousera ML/ex5/ex5/polyFeatures.m
	Cousera ML/ex5/ex5/validationCurve.m