refactor: rename rssbridge.php to bootstrap.php (#2987)

Fix #2986

contrib/prepare_release/fetch_contributors.php

@@ -2,7 +2,7 @@
 
 /* Generate the "Contributors" list for README.md automatically utilizing the GitHub API */
 
-require __DIR__ . '/../../lib/rssbridge.php';
+require __DIR__ . '/../../lib/bootstrap.php';
 
 $url = 'https://api.github.com/repos/rss-bridge/rss-bridge/contributors';
 $contributors = [];

index.php

@@ -1,6 +1,6 @@
 <?php
 
-require_once __DIR__ . '/lib/rssbridge.php';
+require_once __DIR__ . '/lib/bootstrap.php';
 
 $rssBridge = new RssBridge();
 

phpunit.xml

@@ -1,7 +1,7 @@
 <phpunit
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.5/phpunit.xsd"
-	bootstrap="./lib/rssbridge.php"
+	bootstrap="./lib/bootstrap.php"
 	colors="true"
 	processIsolation="false"
 	timeoutForSmallTests="1"