Merge pull request #2 from scottgruber/master

Add <perch:if exists="caption>
New: How do I create links to previous and next items?
New: Can I use CDNify with Perch?
Typos
Create how-to-create-video-playlist-descriptions
Rename how-to-create-video-playlist-descriptions to how-to-create-video-playlist-descriptions.md
Update how-to-create-video-playlist-descriptions.md
Update how-to-create-video-playlist-descriptions.md
Update how-to-create-video-playlist-descriptions.md
Update how-to-create-video-playlist-descriptions.md
Update how-to-create-video-playlist-descriptions.md
Update how-to-create-video-playlist-descriptions.md
Update how-to-create-video-playlist-descriptions.md
Update how-to-create-video-playlist-descriptions.md
Merge pull request #4 from marissajmc/master

Added an integration Solution
Tidying
updated responsive images example
rich snippets examples
Formatting
Merge branch 'master' of https://github.com/PerchCMS/Solutions