As a precaution for the database message cache it make sense to have a
CLI command to diagnose the capabilities and size of an IMAP account in
case of slow or failing syncs.

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Jan-Christoph Borchardt <hey@jancborchardt.net>

Signed-off-by: Joas Schilling <coding@schilljs.com>

Made little autists crazy when their IDE is always yellow

- short array syntax
- double emtpy lines
- opening curly braces
- unused use statements
- space indents

proper setup smtp parameters as taken from IspDb

implement proper entity account

TestMailAccount is now testing the method toJson()

use account's smtp parameters to send emails

adding manual account creation

move saving of the account to the controller level

- adding scrutinizer.yml