Made banner on cdo a desktop-only feature.
Changed content and styling for reduced button hourofcode.com homepage layout
Adjusted spacing on code.org and csedweek.
Changed video
Changed video on hoc
Updated CSS for i18n.
Updated CSS for Italy.
link back to Cartoon Network, in arabic
Merge branch 'staging' of github.com:code-dot-org/code-dot-org into staging
Merge pull request #725 from code-dot-org/hoc-homepage-reduction

Hoc homepage reduction
Removed dispaly of form on hoc
Merge pull request #726 from code-dot-org/hoc-homepage-reduction

Removed dispaly of form on hoc
add course 4 unplugged videos
Updated CSS for Romania.
update playlab videos in play lab script
Merge branch 'staging' of github.com:code-dot-org/code-dot-org into staging
Better mobile font sizes.
Changed video download source
Merge pull request #729 from code-dot-org/homepage-adjustments

Homepage adjustments
Dropbox changes