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
Fix pause for noise producer.

Sees the random number generator with the frame number so that subsequent "get_image" calls to the same frame produce the same image.
Fix capitalization of Qt
Add mlt_properties_frames_to_time() and mlt_properties_time_to_frames().

Handy conversion functions for apps.
Fix mixer tractor missing profile reference.

This resulted in unserialized time values when using xml consumer.
Document the store property of xml consumer.