Add "Upload to paste service" to context menu
@fmuellner
Submitted by Florian Müllner Link to original bug (#756721)
Description
When someone drops off during a conversation and needs to be filled in on the missed out bits after reconnecting, an option in the context menu to upload the selected text to the paste service could be handy.
GtkTextView::populate-popup allows for these kinds of customizations, so this should be fairly easy to implement.