[gnome-sound-recorder] (5 commits) Non-fast-forward update to branch wip/jtojnar/es6

[Jan Tojnar <jtojnar src gnome org>]

The branch 'wip/jtojnar/es6' 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:

  c770c8c... Revert "sound-recorder: Use var instead of let or const"
  ee4f44e... Use var instead of let or const
  ac1966a... Use arrow functions instead of Lang.bind
  0ec10bf... Port to ES6 classes
  259f1a0... Get rid of params.js

Commits added to the branch:

  e5b5eb9... Revert "sound-recorder: Use var instead of let or const"
  a0f3fe4... Use var instead of let or const
  f67b6d5... Use arrow functions instead of Lang.bind
  d95e233... Port to ES6 classes
  073cdd6... Get rid of params.js