[UI] Fixes add account dialogs

Enables SASL and TLS by default, enables user
to enter JID and does not display passwords
anymore.
This is a skeletion UI for the prototype and
will be rebuild.

Change-Id: I178db566c345500e49d1c93028d00e486d31425b
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/2002
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>
Reviewed-by: Franz Zieris <zieris@inf.fu-berlin.de>