Updates for release

configure.ac.in

@@ -5,7 +5,7 @@ m4_define([xfburn_version_major], [0])
 m4_define([xfburn_version_minor], [6])
 m4_define([xfburn_version_micro], [1])
 m4_define([xfburn_version_build], [@REVISION@])
-m4_define([xfburn_version_tag], [git])
+m4_define([xfburn_version_tag], [])
 m4_define([xfburn_version], [xfburn_version_major().xfburn_version_minor().xfburn_version_micro()ifelse(xfburn_version_tag(), [git], [xfburn_version_tag()-xfburn_version_build()], [xfburn_version_tag()])])
 
 dnl Initialize autoconf