Add deployment_handler printout to prepare env
Add deployment_handler printout to prepare env

Example output: http://pastebin.com/raw/xWTe9tAY

Change-Id: Ib8100089318f807fb4d5d4fff2911179eb18216e
Signed-off-by: jose.lausuch <a4ed9890ad7f6494ac84a749f29a4dc3449a1186@ericsson.com>

mywulin/functest,opnfv/functest,opnfv/functest,mywulin/functest