Minor fix for inserting text in waveform when having empty time codes - thx RPM :)
Minor fix for waveform and 'empty' time codes
Updated change log
Do not adjust subtitles with 'empty' time codes
Set default waveform text size to 9
Minor optimization of calc text size
fr-FR translation: restore damage
fr-FR translation: s/deux points/un deux-points/
fr-FR translation: consistently use thin space before [:;!?]