Review dev guide
Review dev guide

JIRA: FUNCTEST-433

Change-Id: Ic141a5b74d9b3afc165e1f1f65f3dc1b05d77f4e
Signed-off-by: Morgan Richomme <863ecccd07b4194c40ddc432b982c8c67e56599a@orange.com>

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