Write plugin config as well during 'configure' step
Fix CLI wizard
Rename autorotate plugin options
Update docs
Modifications to Workflow API

- The object is now responsible for setting the time of first capture
- Fix typo 'flip_target_page'
Add missing dummy device
Refactor workflow: Path from argument, not config object
Update workflow steps in workflow
Move parallel_capture and flip_target_pages to DevicePlugin base class
Changes in workflow configuration handling

- 'path' argument is required again
- 'config' can be user-supplied
- 'config' can be auto-loaded from $project_path/config.yml
- otherwise, default configuration will be used
Use py.test for tests instead of nose
Rename 'test' directory to 'tests'
Make colorization in CLI more succinct
Add option to retake capture
Use backport of Python 3.4 'pathlib' to handle file paths
cli: Possiblity to trigger recapture in capture step