Week 2 assignment
update

Merge branch 'master' of https://github.com/PermuteSeminar/PermuteSeminar-2014

Conflicts:
	Week-2/figure/unnamed-chunk-1.png
	Week-2/figure/unnamed-chunk-3.png
	figure/unnamed-chunk-2.png
Merge branch 'master' of https://github.com/PermuteSeminar/PermuteSeminar-2014
update
Merge branch 'master' of https://github.com/PermuteSeminar/PermuteSeminar-2014
Merge branch 'master' of https://github.com/PermuteSeminar/PermuteSeminar-2014
Merge branch 'master' of https://github.com/PermuteSeminar/PermuteSeminar-2014