Log Message:
Update caja to 1.21.3:

### caja 1.21.3

  * GSettings should init beforce use it
  * update translations
  * Fix case-insensitive comparison in running_in_mate
  * monitor: fix crash on unmounting remote filesystems
  * CajaFile: fix crash in modify_link_hash_table
  * connect-server-dialog: Respect password save setting
  * properties-window: fix checking inconsistent state
  * monitor: watch for removal of non-native mounts on GVolumeMonitor
  * Add 'Configurable' interface and add support to caja-file-management-properties
  * caja-application.c: Remove redundant empty lines
  * Update caja manpage with info about "--force-desktop" option
  * Caja-icon-info: Optimize icon lookups by GIcon.
  * fm-directory-view.c:  Decrease minimum update interval.
  * Remove dead code, fix a memory leak
  * add option to open multiple uri in tabs at startup
  * pathbar: Activate pane when changing location
  * add the ability to switch tabs using [ctrl+tab] and [ctrl+shift+tab]
  * caja-window: Fix: mouse doesn't work with [ctrl] + [.] or [ctrl] + [;]
  * caja-desktop-directory: stop segfaults in directory_ready_callback
  * caja-directory.c: fix build warning
  * pathbar: increase reference count of path in update_button_types
  * Fix some issues found by static analysis
  * pathbar: Fix crash when accessing drive root
  * libcaja-private: remove redundant prefs application to hash table
  * [desktop-bg] Fix memory leak during background change events
  * caja-location-bar: Fix: change background color based on activity state

### caja 1.21.2

  * update translations
  * eel-gtk-extensions: show icons in right-click menus only if \ 
"menus-have-icons" set
  * caja-sidebar-title: Fix: images broken in sidebar
  * caja-progress-info.c: show notifications in begin/end of progress
  * caja-progress-info.c: avoid deprecated 'gtk_status_icon_get_visible'
  * caja-sidebar-title: fix [-Wmaybe-uninitialized] warning
  * desktop window: Add is-desktop AtkObject attribute
  * caja-desktop-window.c: Fix: caja crashes unexpectedly
  * avoid deprecated 'gtk_widget_override_font'
  * avoid deprecated 'gtk_window_set_wmclass'
  * caja-bookmark.c: drop unused variable
  * caja-bookmark.c: Fix icons in bookmarks
  * icon-container: avoid deprecated 'gtk_style_context_get_border_color'
  * avoid deprecated 'gtk_dialog_get_action_area'
  * Pathbar button: fix poor response to right-click
  * editable-label: avoid deprecated 'gtk_im_multicontext_append_menuitems'
  * zoom-control: use NULL instead of uninitialized variable
  * remove unused function
  * use NULL instead of uninitialized variable
  * eel-editable-label.c: avoid deprecated 'gdk_keymap_get_default'
  * eel-editable-label: avoid deprecated gtk_style_context_set_background
  * eel-gtk-extensions: replace deprecated gtk_menu_popup function
  * zoom-control: don't use eel_pop_up_context_menu function
  * Replace deprecated gtk_menu_popup
  * libcaja-private: replace deprecated gdk_error_trap functions
  * fm-desktop-icon-view: replace deprecated gdk_error_trap_push/pop functions
  * replace deprecated gdk_flush
  * libcaja-private: fix -Wlogical-not-parentheses build warning
  * avoid deprecated 'gtk_style_context_get_background_color'

### caja 1.21.1

  * Translations update
  * caja-spatial-window.c: avoid deprecated 'gtk_vbox_new'
  * Eliminate accessible children-changed event flood on container repopulation
  * Eliminate accessible children-changed event flood during update all
  * Emit accessible-name-change signal for icons only when icons are renamed
  * libcaja-private/caja-recent.c: gvfs-open is a deprecated tool, switch to \ 
"gio open" from libglib2.0-bin.
  * sidebar popup menu: show "media-eject" icon in the \ 
"unmount" items
  * pathbar: fix random segfaults on opening mounts from Desktop
  * fm-icon-view: Show size on disk as sort criterion
  * sidebar popup menu: show "media-eject" icon
  * Add sort criterion by reversed extension segments
  * set icon names instead stock ids in some places
  * caja-spatial-window.c: avoid deprecated GtkImageMenuItem
  * Fix warnings from HiDPI commits
  * sidebar: Respect sidebar dimensions on HiDPI
  * HiDPI: Convert Pixbufs to Cairo Surfaces
  * general: use gdk_monitor_get_scale_factor
  * list-view: use the cairo surface as a drag icon
  * Scale screen dimensions
  * icon-info: hash/store icons using scale factor as well as size
  * file: support HiDpi for thumbnails images
  * properties-window: support HiDpi for the properties window icon
  * Support HiDpi icons
  * canvas-container: listen to scale factor to invalidate icons
  * canvas-item: use gtk_render_icon_surface for the DnD surface
  * desktop-canvas-view: scale desktop workarea
  * caja-side-pane.c: avoid deprecated GtkImageMenuItem
  * caja-navigation-window-pane.c: avoid deprecated GtkImageMenuItem
  * caja-navigation-window-menus.c: drop unused variable
  * caja-navigation-window-menus.c: avoid deprecated GtkImageMenuItem
  * caja-bookmark: avoid deprecated GtkImageMenuItem
  * caja-places-sidebar.c: avoid deprecated GtkImageMenuItem
  * caja-emblem-sidebar.c: avoid deprecated GtkImageMenuItem
  * fm-tree-view.c: drop unused variable
  * modify code error: end the statement with a semicolon
  * fm-tree-view.c: avoid deprecated GtkImageMenuItem
  * rename 'mate_image_menu_item...' to 'eel_image_menu_item_new_from_icon'
  * eel-editable-label.c: avoid 'append_action_signal' with stock ids

### caja 1.21.0

  * Translations update
  * caja-query-editor.c: add #include <eel/eel-stock-dialogs.h>
  * avoid 'gtk_file_chooser_dialog_new' with stock ids
  * avoid gtk_dialog_new_with_buttons with stock ids
  * avoid gtk_dialog_add_buttons with stock ids
  * caja-file-management-properties.ui: avoid deprecated GtkVBox and GtkHBox
  * caja-bookmarks-window.ui: avoid deprecated:
  * rename mate_dialog_add_button to eel_dialog_add_button
  * use development version
  * avoid eel_create_question_dialog with stock ids
  * avoid eel_run_simple_dialog with stock ids
  * eel-stock-dialogs: avoid gtk_dialog_add_button with stock ids
  * caja-file-operations: avoid gtk_dialog_add_buttons with stock ids
  * remove runtime warning in usage of caja_clipboard_set_up_editable
  * caja-file-conflict-dialog: avoid gtk_dialog_add_buttons with stock id
  * avoid deprecated GtkButton:use-stock
  * can selected all the search keywords with Ctrl+a. #918
  * caja-autorun: avoid gtk_dialog_add_buttons with stock ids
  * eel-editable-label.c: avoid gtk_image_menu_item_new_from_stock
  * caja-file-management-properties.ui: avoid stock properties:
  * Toolbar: find icon: use icon name instead the stock id
  * caja-bookmarks-window.ui: avoid deprecated GtkButton:use-stock
  * CAJA_TYPE_NAVIGATION_ACTION: avoid deprecated property "stock_id"
  * fix backgrounds and emblems dialog content rendering
  * avoid deprecated GtkStock