[nautilus] (16 commits) ...view-icon-controller: Prevent spontaneous scrolling when loading

[António Fernandes <antoniof src gnome org>]

Summary of changes:

  9c0adbc... view-icon-controller: Properly translate coordinates (*)
  334c2fd... view-icon-controller: Don't use custom selection style (*)
  4eb8d7b... view-icon-controller: Add style class (*)
  0fb98f3... view-icon-controller: Get children by index from model (*)
  3c4f6a3... view-icon-item-ui: Don't subclass GtkFlowBoxChild (*)
  2b42311... view-icon-item-ui: Fix labels sizing (*)
  6d3de5b... view-icon-item-ui: Fix icon sizing (*)
  957ce98... view-model: Implement GtkSelectionModel interface (*)
  8c89ceb... icon-controller: Add gestures to children (*)
  ff78107... view-icon-controller: Get first selected from model alone (*)
  069556b... view-icon-controller: Get first visible item from model (*)
  f47afd0... view-icon-controller: Stop setting column/row spacing (*)
  809049a... view-icon-controller: Port from GtkFlowBox to GtkGridView (*)
  c25bd2e... view-icon-controller: Fix Shift and Ctrl selection (*)
  48bc04e... view-icon-item-ui: Give thumbnails a background (*)
  193b078... view-icon-controller: Prevent spontaneous scrolling when lo (*)

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