Remove keyframe flag correction code because it apparently makes things worse (for MP4+H.264).
Add translations for message box buttons.
Clarify why 32-bit libraries are needed in README.
Add (incomplete) Fedora dependencies.
Merge branch 'master' into glinject-next

Conflicts:
	README.md
	src/Makefile.in
	src/translations/simplescreenrecorder_de.ts
	src/translations/simplescreenrecorder_nl.ts
	src/translations/simplescreenrecorder_pl.ts
	src/translations/simplescreenrecorder_zh_CN.ts