[gnome-software/gnome-3-26] (8 commits) ...build: Install gnome-software-install-appstream in the correct dir

[Kalev Lember <klember src gnome org>]

Summary of changes:

  33b313c... Adapt header buttons on low resolution displays (*)
  0f4c4c1... Filter invalid apps after a refine action (*)
  82de215... dummy: Fix wildcard tests (*)
  5762ea7... external-appstream: Fix build (*)
  4a8e7ae... details: enable horizontal scroll when needed (*)
  0c45b97... trivial: Make the updates refresh minimum age only 10 secs (*)
  8f5b765... appstream: Use a special metadata key for controlling the n (*)
  0d00765... build: Install gnome-software-install-appstream in the corr (*)

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