Added tool to change/reset rainloop admin password

tools/rainloop-unlockadmin.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+#
+# This allows for resetting the password for
+# access to Rainloop's Admin panel:
+# https://yourdomain.com/mail/?admin
+# 
+
+source /etc/mailinabox.conf
+
+
+echo "Tool for resetting Rainloop Admin Password"
+echo
+echo "Password must be 8 characters or longer."
+echo 
+echo -n "Please provide a new admin password (ctrl-c to cancel):"
+read -s newpassword
+echo
+
+if [ -z $newpassword ]
+then
+    echo "Error: Password can not be blank."
+    exit 1
+fi
+
+if [ ${#newpassword} -lt 8 ]
+then
+    echo "Error: Password length must be 8 characters or longer."
+    exit 1
+fi
+
+
+echo "<?php
+
+\$_ENV['RAINLOOP_INCLUDE_AS_API'] = true;
+include '/usr/local/lib/rainloop/index.php';
+
+\$oConfig = \RainLoop\Api::Config();
+\$oConfig->SetPassword('$newpassword');
+echo \$oConfig->Save() ? 'Done' : 'Error';
+
+?>" | /usr/bin/php
+
+echo ""
+echo "Login to Rainloop Admin Panel here using your new password:"
+echo "Username: admin"
+echo "https://$PRIMARY_HOSTNAME/mail/?admin"