Makes the sponsor level an h3, so it stands out more on the sponsorship list page.
Fixes template-code indentaton on the sponsorship list page.
Adds a little extra space after each category of sponsor, so the headings are spaced out more.
Moves the br into the level conditional.
Fix Learn link in home page
Merge https://github.com/pyconca/2013-web into pyconca2013
half done the translation