Updates for release

NEWS

+4.15.4
+======
+- Avoid redundant key re-grabbing
+- Adds new README.md and updates AM_INIT_AUTOMAKE
+- Silence compiler warnings (Fixes #25)
+- AC_CONFIG_MACRO_DIR → AC_CONFIG_MACRO_DIRS
+- Add default shortcuts for tiling (Fixes #4)
+- Avoid shortening the keycodes GArray while walking it.
+- about: Revamp About Xfce tab
+- about: More icon name fixes
+- Add more logo icons and new about icon
+- Update deprecated icon names
+- keyboard-shortcuts: Improve UI for setting shortcuts
+- shortcut-dialog: Add label to clear button
+- shortcut-dialog: Port to new XfceTitledDialog API
+- shortcut-dialog: Only grab keyboard
+- Always return GTK_RESPONSE_OK for accepted shortcut keys (fixes #20)
+- Translation Updates:
+  Albanian, Amharic, Arabic, Armenian, Armenian (Armenia), Basque,
+  Belarusian, Bengali, Bulgarian, Catalan, Chinese (China), Chinese
+  (Hong Kong), Chinese (Taiwan), Croatian, Czech, Danish, Dutch,
+  Eastern Armenian, English (Australia), English (United Kingdom),
+  Estonian, Finnish, French, Galician, Georgian, German, Greek, Hebrew,
+  Hungarian, Icelandic, Indonesian, Interlingue, Italian, Japanese,
+  Kazakh, Korean, Latvian, Lithuanian, Malay, Norwegian Bokmål,
+  Norwegian Nynorsk, Occitan (post 1500), Polish, Portuguese,
+  Portuguese (Brazil), Romanian, Russian, Serbian, Slovak, Slovenian,
+  Spanish, Swedish, Telugu, Thai, Turkish, Ukrainian, Uyghur, Welsh
+
 4.15.3
 ======
 - Update bug URLs to point to gitlab.xfce

configure.ac.in

@@ -9,10 +9,10 @@ m4_define([libxfce4ui_verinfo], [0:0:0])
 m4_define([libxfce4ui_version_api], [2])
 m4_define([libxfce4ui_version_major], [4])
 m4_define([libxfce4ui_version_minor], [15])
-m4_define([libxfce4ui_version_micro], [3])
+m4_define([libxfce4ui_version_micro], [4])
 m4_define([libxfce4ui_version_nano], []) dnl leave this empty to have no nano version
 m4_define([libxfce4ui_version_build], [@REVISION@])
-m4_define([libxfce4ui_version_tag], [git])
+m4_define([libxfce4ui_version_tag], [])
 m4_define([libxfce4ui_version], [libxfce4ui_version_major().libxfce4ui_version_minor().libxfce4ui_version_micro()ifelse(libxfce4ui_version_nano(), [], [], [.libxfce4ui_version_nano()])ifelse(libxfce4ui_version_tag(), [git], [libxfce4ui_version_tag()-libxfce4ui_version_build()], [libxfce4ui_version_tag()])])
 
 m4_define([libxfce4kbd_private_verinfo], [0:0:0])