Sync with latest boilerplate.

* install.sh: fix quoting bug in do_config_backup.
* install.sh: don't output printf commands.

install.sh

@@ -126,7 +126,7 @@ function do_config_backup {
 		CONFIG_BACKUP=true
 		FILENAME="config.preinstall-$LIBRARY_NAME-$DATESTAMP.txt"
 		inform "Backing up $CONFIG_DIR/$CONFIG_FILE to $CONFIG_DIR/$FILENAME\n"
-		sudo cp "$CONFIG_DIR/$CONFIG_FILE $CONFIG_DIR/$FILENAME"
+		sudo cp "$CONFIG_DIR/$CONFIG_FILE" "$CONFIG_DIR/$FILENAME"
 		mkdir -p "$RESOURCES_TOP_DIR/config-backups/"
 		cp $CONFIG_DIR/$CONFIG_FILE "$RESOURCES_TOP_DIR/config-backups/$FILENAME"
 		if [ -f "$UNINSTALLER" ]; then
@@ -301,7 +301,9 @@ for ((i = 0; i < ${#SETUP_CMDS[@]}; i++)); do
 	if [[ "$CMD" == *"raspi-config"* ]] || [[ "$CMD" == *"$CONFIG_DIR/$CONFIG_FILE"* ]] || [[ "$CMD" == *"\$CONFIG_DIR/\$CONFIG_FILE"* ]]; then
 		do_config_backup
 	fi
-	printf "\"%s\"\n" "$CMD"
+	if [[ ! "$CMD" == printf* ]]; then
+		printf "Running: \"%s\"\n" "$CMD"
+	fi
 	eval "$CMD"
 	check_for_error
 done