Fixed bug with Accumulo encrypt (#202)

* accumulo.properties needs to contain correct key location
diff --git a/bin/impl/setup-accumulo.sh b/bin/impl/setup-accumulo.sh
index ecbc5ac..2911ff2 100755
--- a/bin/impl/setup-accumulo.sh
+++ b/bin/impl/setup-accumulo.sh
@@ -59,9 +59,10 @@
   $SED "s#auth[.]principal=#auth.principal=$ACCUMULO_USER#" "$conf"/accumulo-client.properties
   $SED "s#auth[.]token=#auth.token=$ACCUMULO_PASSWORD#" "$conf"/accumulo-client.properties
   if [[ "$ACCUMULO_CRYPTO" == "true" ]]; then
-    openssl rand -out $ACCUMULO_HOME/testkeyfile.key 32
+    encrypt_key=$ACCUMULO_HOME/conf/data-encryption.key
+    openssl rand -out $encrypt_key 32
     echo "instance.crypto.opts.key.provider=uri" >> "$accumulo_conf"
-    echo "instance.crypto.opts.key.location=file://$ACCUMULO_HOME/conf/data-encryption.key" >> "$accumulo_conf"
+    echo "instance.crypto.opts.key.location=file://$encrypt_key" >> "$accumulo_conf"
     echo "instance.crypto.service=org.apache.accumulo.core.security.crypto.impl.AESCryptoService" >> "$accumulo_conf"
   fi
 fi