intro
Merge branch 'master' into add-intro

Conflicts:
	slides/index.html

	new file:   exercises/HOFs/hofs.js
	new file:   exercises/HOFs/index.html
	new file:   exercises/HOFs/test.hofs.js
	new file:   exercises/lib/chai.js
	new file:   exercises/lib/lodash.js
	new file:   exercises/mocha
	new file:   slides/img/church.jpg
	new file:   slides/img/composition.png
	new file:   slides/img/computation.png
	new file:   slides/img/curry.jpg
	new file:   slides/img/lambda.png
	modified:   slides/index.html
	new file:   slides/org/combinators.org
	new file:   slides/org/hofs.org
	modified:   slides/slides-theme/style.css
removes hanging text from commit

	modified:   index.html
Merge pull request #3 from funjsldn/add-intro

intro