remove extra log output
pin nodemailer version
add surtitles() function to event
skip over undefined values when joining
display surtitles in event list
implement surtitles function for events
fix wrong constructor name
don't crash when flickr cannot be reached
Fehlerbehandlung verbessert
Flickr-API nur ein mal initialisieren
"Video zuerst anzeigen" eingebaut
Automatische Slideshow