[grilo-plugins] (10 commits) Created branch tracker-notification

[Lionel Landwerlin <llandwerlin src gnome org>]

The branch 'tracker-notification' was created.

Summary of new commits:

  0591def... tracker: switch to tracker:id as Grilo key id instead of UR
  141162e... tracker: add notification support
  7d1de9a... tracker: avoid parsing items unrelated to grilo's data type
  04db03c... tracker: make searches matches user expectations
  8d58571... tracker: avoid using the same media instance
  e8964aa... tracker: remove useless comments
  a7e61b6... tracker: make requests more robust
  90d5ed4... tracker: rework item cache
  b3cc7c3... tracker: avoid asking metadatas on fake directories in brow
  2487aed... tracker: avoid relaying on UPnP ontology