Updates for release

NEWS

+1.6.4
+======
+ - Make inhibition affect dimming and inactivity action (Bug #14687)
+ - Add support of xfce4-screensaver
+ - Disable trayicon when panel plugin is present (Bug #15682)
+ - Translation Updates:
+   Armenian (Armenia), Finnish, Galician, Lithuanian, Norwegian Bokmål, 
+   Ukrainian
+
 1.6.3
 =====
 - Revert "Read from actual_brightness instead of brightness"

configure.ac.in

 m4_define([intltool_minimum_version], [0.31])
 m4_define([xfpm_version_major], [1])
 m4_define([xfpm_version_minor], [6])
-m4_define([xfpm_version_micro], [3])
+m4_define([xfpm_version_micro], [4])
 m4_define([xfpm_version_build], [@REVISION@])
-m4_define([xfpm_version_tag],   [git])
+m4_define([xfpm_version_tag], [])
 m4_define([xfpm_version], [xfpm_version_major().xfpm_version_minor().xfpm_version_micro()ifelse(xfpm_version_tag(), [git], [xfpm_version_tag()-xfpm_version_build()], [xfpm_version_tag()])])
 
 AC_INIT([xfce4-power-manager],[xfpm_version],[http://bugzilla.xfce.org/])