Fix unable to close / exit the application until the application "init" phase finishes#112

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Kami wants to merge 2 commits intokeredson:masterfrom

Kami:fix_blocking_init

Commits on Jan 24, 2020

Fix check ffmpeg thread and init casts threads blocking the main GUI
Kami
committed
No need to return the thread since we went with a very simple daemon
Kami
committed