Updates for release

NEWS

+4.16.0
+======
+- about: Harmonize capitalisation
+- Update credits for Xfce 4.16
+- Translation Updates:
+  Basque, Bulgarian, Catalan, Chinese (Taiwan), Dutch, Galician,
+  Japanese, Lithuanian, Norwegian Bokmål, Portuguese, Portuguese
+  (Brazil), Serbian
+
 4.15.8
 ======
 - Add xfce_has_gtk_frame_extents to better handle CSD

configure.ac.in

@@ -8,11 +8,11 @@ dnl ***************************
 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], [8])
+m4_define([libxfce4ui_version_minor], [16])
+m4_define([libxfce4ui_version_micro], [0])
 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])