adding d3.js library + radialProgress.js
html attributes added
used style in index.html -> temporary
write todo's!
d3.js radial pies added.

it's not fully responsive. Check mobile resolutions...

When full screen: radials should be bigger
moved configuration script from index.html to radialProgress.js
Merge pull request #5 from PaulCaudron/bootstrap_temp_clean

d3.js radials added