Added Haskell demo.
Merge branch 'interactive' into gh-pages
Merge branch 'interactive' into gh-pages
Updated distribution js file
Merge branch 'interactive' into gh-pages
Updated distribution js file
Merge branch 'interactive' into gh-pages
Fixed SVG scaling for firefox

SVG doesn't autoscale to contents in Firefox
Merge branch 'master' into gh-pages

Conflicts:
	dist/knowledge-graph.js
Changed node enter/exit points to semi circles
Merge branch 'master' into gh-pages

Conflicts:
	demo/index.html
Merge branch 'master' into gh-pages

Conflicts:
	dist/css/knowledge-graph.css
	package.json
Fixed default transition definition

Previously transitions weren't applied if a config object was given
but no transition value was given.
Merge branch 'master' into gh-pages

Conflicts:
	dist/knowledge-graph.js
Changed cursor to a pointer to better reflect UI

Hover over the concept labels to see the cursor
Added an index page
Fixed modal plugin in Firefox

Changed function order so that the 'article' function
was defined before it was used rather than after it gets used
Fixed SVG element CSS for size

In Firefox the default SVG size is too small to display anything useful
Now we have a useful default
Merge pull request #9 from knowledge-graph/firefox-bug-fix

Firefox bug fix