Initial implementation of the fading in and out of video files.
Cleanup video file.
Cleanup and revert to implementation of exclusive workspace mode.
Bugfix glmixer toggle action for session switcher
work in progress: master view of workspaces
Add OSC message toggle of render
align-up preview toolbox
Patch __gl_glext_h_ from ticket #80
Offer to Open log files when recovering from a crash.
Saving settings for URL of web source GUI.
