Merge pull request #41 from EmilyDirsh/master

Fixing bundled css issues and adding new pages
Merge pull request #42 from EmilyDirsh/master

Clean up popular and recent lists on home page
including launch links in search results
Clarifying json spec for 'cartridges' attribute
normalizing the format of the 'cartridges' attr
normalizing the format of the 'cartridges' attr
case shouldn't matter for the quickstart attr name
include the git_repo_url in automated pull requests
making sure that each quickstart includes a
validating the quickstart.json file
updating code to ensure that default_app_name will be available
minimal viable about page
Updated of help to check formatting
edited a typo
about page content added
indented/bullets added
added About to Nav bar
Update about.html
Update index.html
adding launch_urls to the index page