[gimp/soc-2009-dynamics] (16 commits) ...Merge fixes

[Alexia Death <alexiade src gnome org>]

Summary of changes:

  08f35de... Use gimp_display_get_image() instead of display->image (*)
  6ad76d2... Use gimp_display_set_image() in gimp_display_new() (*)
  e57b0ee... Don't call gimp_display_get_image() on a NULL display (*)
  1ae5d6a... Use the local shell variable and don't call get_shell() aga (*)
  067cfe9... Move a call to gimp_display_shell_connect() around (*)
  dd0575e... Move refing/unrefing the image to gimp_display_set_image() (*)
  cb4c374... Add missing NULL to g_strconcat() call (*)
  57541f8... Rename gimp_display_shell_selection_layer_set_hidden() to s (*)
  e2cc191... Use GtkAdjustment's accessors (*)
  99c2bb2... Bug 597413 -  Opacity, hardness and color brush dynamics on (*)
  a2f9408... Complete removal of pressure and velocity scale defines (*)
  9b595f3... Fixed error from last commit (*)
  7c39a22... Simplify GimpDisplayShell's icon update API (*)
  8c221eb... check that the action has a gimp pointer attached before us (*)
  2395543... Don't access GtkAdjustment's members directly (*)
  2eab9f2... Merge fixes

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