add image detection
Merge remote-tracking branch 'upstream/master'
fix image display
detect and handle youtube links
get youtube title for chat message
Merge remote-tracking branch 'upstream/master'

Conflicts:
	resources/assets/js/Chat.js
	resources/assets/scss/_chat.scss
Merge remote-tracking branch 'upstream/master'
some refactoring + title changes on type / posting
prevent calling "typing" when user only refresh his page