Release 4.15.0!

This is a development preview release.

Signed-off-by: Olivier Fourdan <fourdan@xfce.org>

NEWS

+4.15.0
+======
+
+- First 4.15.x development release
+- Show tabwin only on primary monitor if set
+- All fixes and i18n as found in 4.14.4
+
 4.14.0
 ======
 - settings-dialog: Replace GtkStock buttons
@@ -816,4 +823,4 @@
 4.3.90.1 (beta1)
 ================
 
-- First public release for xfce-4.4
\ No newline at end of file
+- First public release for xfce-4.4

configure.ac.in

@@ -7,7 +7,7 @@ m4_define([xfwm4_version_major], [4])
 m4_define([xfwm4_version_minor], [15])
 m4_define([xfwm4_version_micro], [0])
 m4_define([xfwm4_version_build], [@REVISION@])
-m4_define([xfwm4_version_tag],   [git])
+m4_define([xfwm4_version_tag],   [])
 m4_define([xfwm4_version], [xfwm4_version_major().xfwm4_version_minor().xfwm4_version_micro()ifelse(xfwm4_version_tag(), [git], [xfwm4_version_tag().xfwm4_version_build()], [xfwm4_version_tag()])])
 
 m4_define([gtk_minimum_version], [3.20.0])