Scene objects no more indexed
Threaded the storage of the scene. Asynchronous reading of the previous and next scene to be stored on cache.
fixed headers
Sankore 570
Sankore 1159
fixed SANKORE 1313
Issue Sankore 1554
ISSUE Sankore 1569
ISSUE Sankore 1661
removed unused code
new fonts
updated version
added opendyslexic font credit
added ecriture a/b credits
waiting the end of worker thread correctly
one scene document error when asking isEmpty. Load scene was called before persisted on disk
Scene is copied before being queued to avoid concurrence
removed cff support
added copyright
The frame of the graphics text widget match the real text size