Handle the two part version number of cluster builds

(general server part + NDB part)
automatically when creating a binary package,
include only the NDBpart in the package (file) name.

scripts/make_binary_distribution.sh:
  The "version" string of a cluster build contains information
  about both the general server part and the NDB part.
  This is intentional, but it isn't suitable for the package file name.
  
  When packaging a binary build, the script now detects whether
  it is dealing with a cluster build or not.
  If it is a cluster build, the script now removes the server part
  from the version number, leaving the NDB part.
  
  Example:  "5.1.31-ndb-6.4.2"  ->  "6.4.2"
  so packages are named like
            "mysql-cluster-gpl-6.4.2-linux-i686-glibc23.tar.gz"

scripts/make_binary_distribution.sh

@@ -116,10 +116,15 @@ case $PLATFORM in
 esac
 
 # Change the distribution to a long descriptive name
+# For the cluster product, concentrate on the second part
+VERSION_NAME=@VERSION@
+case $VERSION_NAME in
+  *-ndb-* )  VERSION_NAME=`echo $VERSION_NAME | sed -e 's/[.0-9]*-ndb-//'` ;;
+esac
 if [ x"$SHORT_PRODUCT_TAG" != x"" ] ; then
-  NEW_NAME=mysql-$SHORT_PRODUCT_TAG-@VERSION@-$PLATFORM$SUFFIX
+  NEW_NAME=mysql-$SHORT_PRODUCT_TAG-$VERSION_NAME-$PLATFORM$SUFFIX
 else
-  NEW_NAME=mysql@MYSQL_SERVER_SUFFIX@-@VERSION@-$PLATFORM$SUFFIX
+  NEW_NAME=mysql@MYSQL_SERVER_SUFFIX@-$VERSION_NAME-$PLATFORM$SUFFIX
 fi
 
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