[gnome-music] (5 commits) Non-fast-forward update to branch wip/rate-limit

[Vadim Rutkovsky <vrutkovsky src gnome org>]

The branch 'wip/rate-limit' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  c4f1b34... grilo: rate-limit content-changed signal
  6a402df... widgets: don't listen to row-changed always - we need them 
  f96c736... player: don't log _update_position_callback and seconds_to_
  a455437... Simplify logs and record elapsed time for each function

Commits added to the branch:

  02647f2... player: don't check iter for validness if model can't do th (*)
  6914055... grilo: rate-limit content-changed signal
  b7bc4d3... widgets: don't listen to row-changed always - we need them 
  80aa1a6... player: don't log _update_position_callback and seconds_to_
  fbfeeae... Simplify logs and record elapsed time for each function

(*) This commit already existed in another branch; no separate mail sent