fix in portfolio/app.js (and some reindenting).
wip styles rewriting
bump portfolios view to 16 per page
added course template
small changes in teacher promotion
adding teachers url to the navbar
merging style changes from escola-livre branch
added links to portfolios view
don't show facebook share in admin
wip style changes in teachers page
portfolio pagination should be 8 items long
don't let user change the portfolio user attribution
add sorl thumbnail to make for smaller image requests