Migrate to SwiftMail

Replaces the OC_Mail and phpmailer with SwiftMail allowing us to mock it properly.

Fixes the unit test execution on master on local machines and https://github.com/owncloud/core/issues/12014

Conflicts:
	3rdparty
	lib/private/server.php
	lib/public/iservercontainer.php
	tests/lib/mail.php
	tests/settings/controller/mailsettingscontrollertest.php

Conflicts:
	3rdparty
	lib/private/mail.php
	lib/private/server.php
	lib/public/iservercontainer.php
	settings/ajax/lostpassword.php
	settings/application.php

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/public/iservercontainer.php b/lib/public/iservercontainer.php
index ec23cc52345..20345e61212 100644
--- a/lib/public/iservercontainer.php
+++ b/lib/public/iservercontainer.php
@@ -318,9 +318,15 @@ interface IServerContainer {
 	 * @return \bantu\IniGetWrapper\IniGetWrapper
 	 */
 	 function getIniWrapper();
-
 	/**
 	 * @return \OCP\Command\IBus
 	 */
 	function getCommandBus();
+
+	/**
+	 * Creates a new mailer
+	 *
+	 * @return \OCP\Mail\IMailer
+	 */
+	function getMailer();
 }