[gtk+] (28 commits) Created branch filesystemmodel

[Benjamin Otte <otte src gnome org>]

The branch 'filesystemmodel' was created.

Summary of new commits:

  e64c639... move GtkFileSystemModel private stuff out of the private he
  73b31ec... remove unused variables
  d460aa7... optimize GtkFileSystemModel: step 1
  8ba1040... file system model improvements, step 2
  40d9a57... handle the case where there is no content type available
  45cb312... speed up node index computation by only doing it on demand
  51bb899... unconditionally set right alignment for the size column
  7d6a0f1... consolidate tree models for different browse modes
  5c4be56... replace the cell data computations
  bb64df6... clean up more code to use the model directly
  3a0ff32... remove commented-out code
  a7c5df3... implement GtkTreeSortable in the filesystem model
  77d3014... add the ability to freeze the model, to bundle updates for 
  1734b3e... get rid of the full_attributes API and ignore pixbufs
  cbe619b... clarify the init value for the default sort column id
  5d4eb12... implement sorting
  f8c59d6... add _gtk_file_system_model_get_value() to speed up sorting
  141224d... query file size
  b28d5ad... detect a filesystemmodel differently
  962e0a0... use a sane number of files per async update again
  b927910... add code for loading thumbnails
  b208642... add a hash table to speed up file => index lookups
  c9ec572... make the size column resizable
  d08887b... cleanup
  fbed4d9... check for allowed NULL inside g_return_if_fail() statements
  9032163... make icons only load when they are visible
  2c80717... allow flushing cached values in the model
  7240c0d... fix a bug where we could use an empty thumbnail