Added environment vairables, working on AWS SDK implementation
Added s3 bucket upload functionality for featured_images
Update to AWS s3 file handling
Added multi-file upload for S3, need to rewrite more DRY-ly
Rewritten more DRY-ly
Merge branch 'rewrite_file_upload' of github.com:MontyPyBlog/MontyPyBlog into rewrite_file_upload
Updated gitignore