script to build from a clean tree. I'm getting emacs and git tmpfile

picked up by the android build system and incorporated into .apks;
this will avoid that.

xwords4/android/scripts/arelease_clone.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+BUILDIR=/tmp/$(basename $0)_build_$$
+CURDIR=$(pwd)
+SRCDIR=${CURDIR}/../../../
+
+echo $BUILDIR
+echo $SRCDIR
+ls $SRCDIR
+
+mkdir -p $BUILDIR
+cd $BUILDIR
+git clone $SRCDIR BUILD
+cd BUILD
+git checkout android_branch 
+./xwords4/android/scripts/arelease.sh $*
+cp *.apk /tmp
+
+cd $CURDIR
+rm -rf $BUILDIR