[WO-493] Speed up tests
Merge pull request #116 from whiteout-io/dev/WO-493

[WO-493] Speed up tests
[WO-491] Allow STARTTLS, add Outlook.com

* Change UI to choose encryption type TLS/STARTTLS/None
* Change adapt login controller to STARTTLS changes
* Add Outlook.com to providers
[WO-491] Add GMX.net support
[WO-491] Add Web.de support