Enable for S3
Forgot ] on bucket name
Encapsulate csv_file access inside of csv_dataset

Includes tests for file names and paths
Ignore coverage
Refactoring CsvDataset + Tests
Merge branch 'csv-from-http' into paperclip-amazons3
Test helper to set a project
TestCase for UploadController

Uses set_project helper
Test case for CsvImportConfigsController

uses sign_in and set_project
tests file upload and index
Fan out s3 credentials to 3 environments
Add bucket name to s3_credentials
Disable S3 in test environment
Progress on tests for uploading files
Move CachedFile out of csv_datasets_helper
Same as above
Update csv_import_config to use cached file

Downloads file from URL and caches it.
Fix requires for downloader
Fix wrong path in get_local_file
Add missing delimiter - to Sample.yml
Add sample dataset for Sample.yml