Use one-tab mode by default
Add script to check integrity of translations
Add missing symbolic link for icons
Remove tutorial (moved to osdoc)
Store filename-only logfiles relative to the experiment folder (closes #161)
Bump to 2.8.1~pre3
Improvements to debug window
- Saner keypress behavior
- Give introspection via `parent` object
Debug window respects QProgEdit color scheme
Avoid repaint artifacts when switching to another tab from a modified script tab
Improvements to joystick plug-in
- Saner default allowed responses
- Do not set allowed response with initialization
- Clean up library code
Fixed freezes on Linux

changed self.experiment.sleep() calls to time.sleep() as the latter
appear not to mess up multithreading
Validate form widget on render (closes #222)
Update item-help files
- Properly decode Markdown files
- Closes #206
Prepare for 2.8.1
Update windows installer script
Merge branch 'playground' into soundbackends