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

Signed-off-by: Lukas Reschke <lukas@statuscode.ch>

enable unit tests for provisioning api

fix admin docu key

drop files_external tests from autotest - they will be executed with autotest-external.sh which is coming

To make sure that the dynamic mount config and config classes from
external storages are tested, these are now added into the autotest.sh
test run by enabling the app.

files_encryption app is now enabled in enable_all.php