moved over new and modified educate2 pages to educate folder
remove /us from hourofcode.com links
deleted educate2 folder and educate 2 nav
Merge branch 'neweducatepages' of github.com:code-dot-org/code-dot-org into neweducatepages
Merge pull request #424 from code-dot-org/neweducatepages

moved over new and modified educate2 pages to educate folder