fix header
align menu in course and lesson pages
dropdown
Merge branch 'master' of github.com:CartoDB/cartodb-academy
update clearfix and add mixpanel
replace clearfix
not showing unpublished courses on the dropdown - fixes #22
adding module at the end of the lesson
check if param exists to show the ending module
adding tweet link
adding facebook sharing link
Update README.md
fixes #24
fixes
adding disqus to the lesson page, fixes #21
making maps not interactive
changing footer link fixes #19
changing border on homepage highlights boxes
adding about page fixes #26
adding good icon for inside menu fixes #3