Cleanup sampler.legacy
- Unicodify
- Flush the keyboard while waiting (closes #227)
Convert `print` statements to Python-3-compatibile `print()` function calls
Convert `reset_feedback` plug-in to new style plug-in API.
Use initial value for jitter_mode in advanced_delay plug-in (closes #238)
Update debian/changelog
Merge remote-tracking branch 'upstream/playground' into playground