add all features for Learning section
warning for users in RSS feeds on dev
Merge pull request #156 from ryanpitts/learning

Add Learning section
only show 'more' header if there are actually more articles in list :/
Merge pull request #160 from ryanpitts/learning

only show 'more' header if there are actually more articles in list :/
revisions for Learning section
Merge pull request #163 from ryanpitts/learning

revisions for Learning section
Merge pull request #164 from mozilla/development

Add Learning section to live