Workaround Win32 apps sometimes hang on exit.
Document the playlist hide property.
Fix matroska avformat presets.
Initial implementation of producer_qtext
Move blipflash, dynamictext and count into plus module
Add qtext to loader for .txt files
Improvements to qtext to improve the use of cached path and image data
Dynamic text uses qtext first and falls back to pango
Count uses qtext first and falls back to pango
Fix clock hand for down direction
Rename 'qimage' module to 'qt'
Finalize qimage->qt rename