[gtk] (10 commits) ...Merge branch 'matthiasc/for-master' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  cea6613... flowbox: Make the children focusable again (*)
  4c8688b... inspector: Disable recursive inspection (*)
  e9d9664... gtk-demo: Don't overdraw the fishbowl (*)
  ce949c0... widget-factory: Cosmetic changes (*)
  7ef51da... listbox: Don't steal focus-on-click (*)
  7915e99... listbox: Make Shift-Tab work again (*)
  33011cc... flowbox: Avoid a crash in measure() (*)
  69ab403... flowbox: Avoid an assertion in snapshot() (*)
  378cca7... Add a test for a flowbox crash (*)
  9f4e7b1... Merge branch 'matthiasc/for-master' into 'master'

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