added dynamic content to host tab

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
added new host dialog - with fake content

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
new dependencies
 - slf4j logging api
 - logback logging backend
 - apache sshd

Added logback configuration for tests

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>