update to 2.0.0-alpha1

switch to Symfony 4
switch to phpunit7
raise dependency on composer/semver 3
add dependency on react/promise 2.7

1 files changed, 0 insertions, 3 deletions

diff --git a/composer-bootstrap.php b/composer-bootstrap.php
deleted file mode 100644
index 19d75b3..0000000
--- a/composer-bootstrap.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-require 'Composer/autoload.php';
-\Fedora\Autoloader\Autoload::addPsr0('Composer\\Test\\', __DIR__ . '/');