Output: formatting namespace, error classes
Output: generic format
Output: generic (machine-friendly) presenter
Output: presenter filter for human-friendly formatting
Output: human format
Output: machine format
Output: hook the new formatting code in
Output: formatting for Provider listing
Output: formatting for ProviderAccount listing
Provider account list action refactoring
Remove old ARes table printing

This functionality is now handled by HumanFormat.
Merge pull request #23 from jistr/output_formatting

Output formatting