[gtk+] (15 commits) Created branch multiroot-filechooser

[Federico Mena Quintero <federico src gnome org>]

The branch 'multiroot-filechooser' was created.

Summary of new commits:

  272e8ee... Add the concept of rooting the filechooser to a specific UR
  4790c69... Update the sidebar entries based on the root URI.
  c2ebc08... Filter and restore the Recently Used list on root URI switc
  80ba31d... Make the local_only property wrap root_uri.
  ce8e65f... Keep the list of custom shortcuts in a list and rebuild it 
  20eedbd... Filter the path bar and auto-completion results.
  a0a949a... Make GtkFileChooserButton work with root URI.
  89c278b... Prevent access to old locations when using a non-existant r
  186a91b... Display an icon for the virtual root button.
  a1c17ac... Validate the results in gtk_file_chooser_get_files.
  4ab090b... Add support for multiple roots.
  556d86f... Show the roots in the sidebar.
  e4b736d... Do uri_has_prefix() without allocations
  754361b... Allow NULL prefixes in _gtk_file_chooser_uri_has_prefix()
  6f37191... s/in_root/in_roots everywhere, as we support multiple roots