replaced mv with cp in fourier-key.json

fourier_install.sh

@@ -179,7 +179,7 @@ if [[ "$OSTYPE" != darwin* ]]; then
 	sudo mysql -u root -e "grant all privileges on $mysql_db.* to '$mysql_user'@'localhost';flush privileges;"
 	cd ~
 	sudo mysql -u root -h localhost $mysql_db < $installerpath/fourier.sql
-	sudo mv $installerpath/fourier-key.json /etc/Fourier-key.json
+	sudo cp $installerpath/fourier-key.json /etc/Fourier-key.json
 fi
 
 echo "****************************************************************************"