[seahorse] (40 commits) ...Make delete actions work properly again

[Stefan Walter <stefw src gnome org>]

Summary of changes:

  f0b2be9... Use icon theme instead of stock images. (*)
  efef159... Use GcrCollectionModel instead of our own GtkTreeModel impl (*)
  8bd4f54... Implement GcrCollection on PGP Keys and GKR keyrings (*)
  621bb4c... Implement GcrCollection contains virtual method. (*)
  0deb6bf... Refactor core of seahorse (*)
  7fe8ab0... Implement sidebar, structure backends and sources better (*)
  bddd863... Move keyserver UI files to pgp directory. (*)
  af37ff6... Update translatable files for recent refactoring. (*)
  0a7ff2c... Add CSS file and style sidebar properly. (*)
  85352bc... Allow simple mulitple select based on checks in sidebar. (*)
  058b368... Make the main key manager view reflect what's in the side p (*)
  397acc3... Rename SeahorsePkcs11Source to SeahorsePkcs11Token (*)
  0b63ff6... Blacklist certain PKCS#11 tokens from showing up in seahors (*)
  5765df8... Load certificates from tokens (*)
  dfcd78e... Use the new importer infrastructure in libgcr (*)
  2831157... gcr: Asynchronously initialize PKCS#11 modules (*)
  fb6e3df... gcr: Use functions in gcr to get PKCS#11 icons (*)
  36f8d3b... Update import dialog for libgcr changes (*)
  1257d00... Add label to the import dialog (*)
  872e08a... Refactor that there's no unnecessary use of SeahorseObject (*)
  e216588... pkcs11: Use new gck functionality to load certificates (*)
  1c608b1... Make pgp key items in the main view wrap and show all uids  (*)
  12ea05e... Allow showing and hiding the places sidebar (*)
  7be2194... Add descriptions and clearer markup to various object types (*)
  28e36da... Add proper icons and text for the GnuPG and OPENSSH sources (*)
  a8381a6... Make the filter in the main window work again (*)
  15ec8cb... Make filtering work by text, personal, trusted and all. (*)
  b31cd3b... Sync the view-places setting properly (*)
  0e5addd... Remove the status bar (*)
  44f3eda... Save the set of selected place in settings (*)
  c1dafb1... pgp: Change to use the gnupg logo for gpg keyrings (*)
  26d11fd... Use place holder text for the filter box (*)
  b7deadc... Remove SeahorseView and merge functionality into SeahorseVi (*)
  abb1b7a... Rework how actions come from the backends and various objec (*)
  9ea9a0f... Rework build options (*)
  f784d2e... Fix for various deprecations in Glib and GTK (*)
  d4b8510... Right clicking on the sidebar items for context menus. (*)
  168e071... Cleanup adding new keys, items, keyrings (*)
  1312238... Fix double free of list of selected items (*)
  9a9747d... Make delete actions work properly again (*)

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