update content for stories, remove app in sidebar, add textizen
add content to streetmix and promptly story
add new intro images
add application blurbs and stats
add content to educate section
Merge pull request #64 from postcode/stories

Stories
Merge pull request #65 from postcode/applications

add application blurbs and stats
Merge pull request #66 from postcode/educate

add content to educate section
Merge pull request #67 from postcode/develop

Develop