Merge pull request #9 from yulijia/gh-pages

bean machine and central limit theorem
initial capitals where appropriate
the browser may not perform well if the animation is that fast
this comment is distracting
shorter url
rebuild the webiste
xkcd seems to be less accessible than imgur; at least it is not responsive now
Merge pull request #10 from yulijia/gh-pages

Demonstration of the Central Limit Theorem
shorter URL
increase knitr version dependency
shorter image names, narrower images and larger intervals
use the default nmax=50
in the case of cauchy, do not draw the Normal density curve
tweak text of the CLT article
Monte Carlo is enough
everybody knows pi, so no need to add a link
this is a single function, not function_s_
100 images instead of 150
just use the default heights
tweak text of the buffon article