Improvements to joystick plug-in
- Saner default allowed responses
- Do not set allowed response with initialization
- Clean up library code
Validate form widget on render (closes #222)
Merge remote-tracking branch 'upstream/playground' into playground
Update item-help files
- Properly decode Markdown files
- Closes #206
Prepare for 2.8.1
Update windows installer script
Merge remote-tracking branch 'upstream/playground' into playground