[gnome-shell] (7 commits) Non-fast-forward update to branch wip/carlosg/reuse-paint-volumes

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/reuse-paint-volumes' 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:

  6edcb3b... st: Make StScrollables' paint volume reflect the unconstrai
  a55bbce... st: Clip StEntry to allocation

Commits added to the branch:

  8237a1f... Change "const" to "var" (*)
  a24999b... st-texture-cache: Don't add NULL textures to cache (*)
  1f03599... st-texture-cache: Save cairo surfaces to a different map (*)
  5fe349d... thunderbolt: Do not auto start boltd (*)
  b155821... st: Make StScrollables' paint volume reflect the unconstrai
  39b3a0f... st: Clip StEntry to allocation
  f4ecacf... st-box-layout: Queue relayout on adjustment changes

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