Log Message:
mate-terminal: update to 1.26.0

Change log:

### mate-terminal 1.26.0

  * Translations update
  * update copyright to 2021
  * terminal-window: Remove -Wmissing-field-initializers warnings
  * build: underline package name and version in configure summary
  * build: Use PACKAGE_URL variable
  * Fix desktop file validation warning
  * update resource for transifex
  * Update copyright to 2021
  * Upgrade ui files
  * Remove unused macros
  * Remove the execution bit from two png files
  * profile-editor: Fix -Wsign-compare warning
  * Remove -Wfloat-conversion warnings
  * Help: fix permissions of images
  * add meson build system
  * terminal_profile_edit_dialog_page_scroll_event_cb is only used in \ 
profile-editor.c (#361)
  * README: Remove environment version number
  * Add compilation help
  * Add tab scrolling support for GTK3

### mate-terminal 1.25.0

  * Translations update
  * use libegg submodules
  * Add git.mk to generate .gitignore
  * Compile code only when GDK supports X11
  * restore deprecated gtk_menu_popup for context-menu
  * Enable wayland support
  * profile-editor: Remove enum conversion warnings
  * terminal-encoding: Remove -Wformat warning
  * build: SMlib is dependent on ICElib
  * build: Isolate smclient
  * build: silent build warnings for distcheck
  * Add set-title-dialog.ui
  * build: do not override the default value for MATE_COMPILE_WARNINGS
  * terminal-window: expand the content of the comment on about dialog
  * Add confirm-close-dialog.ui
  * fix searching in terminal window
  * terminal-window: add icons to "open tab" and "close \ 
window/tab"
  * terminal-window: show VTE version in about dialog
  * fix url highlighting due to deprecation of vte_terminal_match_add_gregex
  * terminal-screen: prevent crash on bad term spawn due to redundant frees
  * Use user page on github when user email is private
  * Update authors