Merge pull request #6 from mcallegari/master

getting latest updates
German translations
Main UI 4.3.3 Fr Translation
When adding an existing Scene into Show Manager, a 10seconds Sequence is now created by default with the Scene values
Merge pull request #135 from hfanieng/master

German translations for new QLC+ Functions
Merge pull request #136 from NiKoyes/master

Main UI french translation 4.3.3
Fixed copy of an audio track

Introduced delay to way for ESTA response. Although I don't like magic numbers...
Updated tutorial doc

Set minimum size to DMX address tool for correct rendering on Gnome
Added missing doc files

Reduced some PNGs size
Fixed editcapability UI layout warning
Consider Fade In/Out when adding an existing scene to Show Manager

Updated changelog.
Ready to release 4.3.3