Reorganize methods.
Give captions a column for s3 urls.
Display captioned image hosted on S3.
Refactor to save AWS url to database on create/update actions.
Refactor to use modified AWS helper.
Redirect to the caption#show page on create.
Add an empty_bucket method to clear out S3.
Refactor to use scoped image creation.
Add images#index action and template.
Fix attr_accessibles; erroneously thought I was using rails 4.
Expose a /captions route.
Fix typos.
Fix typo.
Fix typos.
Update new caption form.
Also apply vertical constraints on font size so that short words don't become gigantic.