WIP - GatekeeperClient migration

signed-off-by: Fellipe Souto Sampaio <fllsouto@gmail.com>
signed-off-by: Diego Araújo <diegoamc90@gmail.com>
signed-off-by: Alessandro Palmeira <alessandro.palmeira@gmail.com>
Updated kalibro_gatekeeper_client and wiped still failling tests
Travis installs KalibroGatekeeper
Remaining failling tests wiped
Fixed accpetance test.