[empathy] (10 commits) ...Merge branch 'av-candidate-624344'

[Guillaume Desmottes <gdesmott src gnome org>]

Summary of changes:

  81e35b4... call-handler: add properties tracking the candidates
  c2aacd4... call-window: display candidates info (#599166)
  6f61808... destroy the old candidates before updating them
  2b7aea9... add tooltips giving a bit more context about the candidate
  fd401e8... use a space to separate the IP from the port
  a27087f... call-handler: add candidates-changed signal
  1b603a6... call-window: use candidates-changed signal
  f74839c... add 'info' icon next to the candidates
  6d744e0... display the tooltip on the info image
  d4397c1... Merge branch 'av-candidate-624344'