[gnome-shell] (5 commits) Non-fast-forward update to branch gbsneto/icon-grid-part1

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'gbsneto/icon-grid-part1' 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:

  36f009c... baseAppView: Add only non-added icons, in order
  0ff050b... baseAppView: Only add and remove when necessary
  dbf8191... baseAppView: Remove _updateGrid()
  516ebc8... allView, folderView: Only add icons once
  01a2f12... baseAppView: Remove unused BaseAppView.addItem
  bb3b7b5... allView: Redisplay on folder changes

Commits added to the branch:

  b30a95a... baseAppView: Move _loadGrid() into _redisplay()
  d76d19d... baseAppView: Only add and remove when necessary
  302fd16... allView, folderView: Only add icons once
  0618764... baseAppView: Remove unused BaseAppView.addItem
  c4bc049... allView: Redisplay on folder changes