[gnome-shell] (9 commits) Non-fast-forward update to branch wip/nielsdg/g-param-static-strings

[Niels De Graef <nielsdg src gnome org>]

The branch 'wip/nielsdg/g-param-static-strings' 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:

  62b81d4... st: Cleanup ST_PARAM_* and add WRITABLE version
  9dd1597... Ensure G_PARAM_STATIC_STRINGS for all properties

Commits added to the branch:

  5545e84... volume: Remove unused method (*)
  b970ee7... barLevel: Use setters instead of methods (*)
  86c3909... barLevel: Return when trying to set value to already used v (*)
  cb0d287... osdWindow: Use float values as input for osdWindow (*)
  2f29081... osdWindow: Remove LevelBar and use BarLevel directly (*)
  89ce53e... shellDBus: Use floats instead of percentages for OSD levels (*)
  3a748fe... theme: Fix focus style of icons in the calendar popup (*)
  bfa3111... st: Cleanup ST_PARAM_* and add WRITABLE version
  c086f34... Ensure G_PARAM_STATIC_STRINGS for all properties

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