plugin-ify zipr step

Former-commit-id: 10e8c48928e1d023fee380344b2a3bd4ac8a0098

plugins_install/zipr.sh

+#/bin/bash 
+
+cloneid=$1
+shift
+other_opts="$@"
+
+(set -x ; LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ZIPR_INSTALL/lib $ZIPR_INSTALL/bin/zipr.exe --variant $cloneid --zipr:objcopy $PS_OBJCOPY $other_opts)