Import latest app updates from streamline

An updated set of source files and initialization was provided by streamline to
address issues observed during initial testing. These files have been updated in
order to generate a new set of app images.

docker/streamline-src/vendor/nikic/php-parser/lib/PhpParser/Parser.php

@@ -1,24 +0,0 @@
-<?php declare(strict_types=1);
-
-namespace PhpParser;
-
-interface Parser {
-    /**
-     * Parses PHP code into a node tree.
-     *
-     * @param string $code The source code to parse
-     * @param ErrorHandler|null $errorHandler Error handler to use for lexer/parser errors, defaults
-     *                                        to ErrorHandler\Throwing.
-     *
-     * @return Node\Stmt[]|null Array of statements (or null non-throwing error handler is used and
-     *                          the parser was unable to recover from an error).
-     */
-    public function parse(string $code, ?ErrorHandler $errorHandler = null): ?array;
-
-    /**
-     * Return tokens for the last parse.
-     *
-     * @return Token[]
-     */
-    public function getTokens(): array;
-}