Log Message:
mate-control-center: update to 1.26.0

Change log:

### mate-control-center 1.26.0

  * Translations update
    Replace the deprecated GtkTable with GtkGrid
    Replace the deprecated gtk_widget_set_state with gtk_widget_set_state_flags
    Remove useless and discarded gtk_button_released
    Replace the deprecated g_bookmark_file_get_modified with \ 
g_bookmark_file_get_modified_date_time
    Fix compilation warning
    Use gtk-cancel icon replace window-close icon
    update copyright to 2021

### mate-control-center 1.25.2

  * Translations update
  * windows-applet: csd windows respect titlebar button layout
  * windows-applet: add right and left (with menu) titlebar button layout \ 
options, respect custom values
  * windows-applet: group alt-tab options together, remove reduced resources option
  * appearance: Type column in GtkFileChooser requires gtk 3.24.12
  * time-admin: g_time_zone_new is deprecated from glib 2.68
  * display: remove conversion warnings
  * keybindings: use gtk_builder_new_from_resource
  * display: use gtk_builder_new_from_resource
  * default-applications: use gtk_builder_new_from_resource
  * appearance: use gtk_builder_new_from_resource
  * accessibility: use gtk_builder_new_from_resource
  * help: update default apps
  * i18n: fix an error that prevents showing the wallpaper name
  * display: frame spacing
  * Add adjust window scaling function for display preference and update \ 
display-capplet.ui file
  * windows: remove unused macros UIDIR, PIXMAPDIR
  * bookmark-agent: Function 'bookmark_agent_new' used prior to declaration
  * marco-window-manager: get XDG_DATA_DIRS (code portability)
  * Line comments // are not allowed (code style)
  * appearance: no previous prototype for 'wp_create_filechooser'
  * appearance: missing includes
  * Missing include guards
  * windows: avoid duplication of accelerator keys
  * windows: don't translate the spinbutton text, set the entry purpose
  * windows: show the translations in mate-window-properties dialog
  * libwindow-settings: no previous prototype for \ 
���window_manager_new���
  * windows: missing include mate-metacity-support.h (#624)
  * common: missing include gtkrc-utils.h
  * help: update copyright year to 2021

### mate-control-center 1.25.1

  * Translations update
  * time-admin: remove unused includes
  * build: allow users to disable gettext support (--disable-nls)
  * build: show the package version in the configure summary
  * mate-wm-manager: do not use dirent.h
  * mate-wm-manager: Use g_list_free_full
  * mate-wm-manager: compact the code using macros
  * mate-wm-manager: Remove warning -Wconversion
  * mate-wm-manager: directory parameter is an immutable string on scan_wm_directory
  * marco-window-manager: do not use dirent.h
  * libslab-utils: Remove dead function libslab_get_current_screen
  * libslab-utils: Remove libslab_strcmp and use g_strcmp0 instead
  * build: remove legacy variable MATE_ICONDIR
  * mate-keyboard-properties: drop create_dialog
  * mate-keyboard-properties: size groups on ui file
  * mate-keyboard-properties: Do not use stock icons on ui file
  * mate-keyboard-properties-dialog: upgrade ui label names
  * mate-mouse-properties: drop create_dialog
  * mate-mouse-properties: size groups on ui file
  * mate-mouse-properties: upgrade ui label names
  * Revisit windows applet, add allow-top-tiling option
  * Use G_BEGIN_DECLS/G_END_DECLS macros
  * Use g_slist_free_full
  * mate-theme-info: remove unused includes
  * mate-mouse-properties: remove unused includes
  * appearance: Add file chooser settings
  * xrandr-capplet: warning -Wincompatible-pointer-types
  * application-tile: warning -Wempty-body
  * appearance: Set icon-name in ui file
  * appearance: Introduce GET_WINDOW macro
  * Remove USE_MATE2_MACROS from autogen.sh (legacy)
  * mcc: windows-applet: Rewrite windows-properties.ui and add new settings.
  * appearance: Fix preview in Add Wallpaper dialog
  * Default applications: Add flac/x-flac format (mime-type) for media
  * keyboard-properties-a11y-notifications.ui: Fix a11y warnings
  * mate-about-me-fingerprint: Use g_variant_is_of_type for checking types
  * default-applications: Set icon-name in ui file
  * about-me: migrate from dbus-glib to GDBus
  * keyboard-a11y: Add UI for capslock-beep
  * Remove unused macros
  * Remove unused variable from capplet_notebook_scroll_event_cb
  * common: migrate to GDBus

### mate-control-center 1.25.0

  * Translations update
  * Add git.mk to generate .gitignore
  * shell-window: Remove unused function shell_window_handle_size_request
  * shell-window: Remove shell_window_paint_window
  * shell-window: Remove warning ���gtk_paint_flat_box��� is deprecated
  * appearance-ui: Remove unused function button_press_block_cb
  * support tab scrolling in mate-window-,- and mate-appearance-properties
  * mate-theme-info: Use of memory after it is freed
  * build: silent build warnings for distcheck
  * use default MATE_COMPILE_WARNINGS level
  * Port libslab_handle_g_error to the built-in GLib logging framework
  * libslab: Remove libslab_get_current_time_millis
  * typing-break: Remove warning ���GTimeVal��� is deprecated
  * remove warnings: function declaration isn���t a prototype
  * mate-about-me: Fix memory leak
  * appearance: Fix memory leak
  * windows: Remove unused function
  * Do not collect the translation for Icon
  * time-admin: dereference of NULL ���db��� in function \ 
���CreateCityList���