Working prototype for image uploads
Recognize codemarks urls in markdown
Add markdown parser for image
Add size parsing for images
Do not auto-resize if there is nothing there
Swap out show codemark view
Add image and file uploads. Tweaks to new codemark flow
Add show for file, image, and update for link/text
Tweaks
Use env variables for s3 keys
Real spec image
Merge branch 'file-uploads'