fixing ad_hoc imports

flake8 fixes

Fix and add awx/api/tests

added fact tests

added proper xml reports for jenkins

added jenkins requirements and adjusted Makefile target

awx/main/models/credential.py

@@ -470,3 +470,4 @@ class Credential(PasswordFieldsModel, CommonModelNameNotUnique):
             if 'cloud' not in update_fields:
                 update_fields.append('cloud')
         super(Credential, self).save(*args, **kwargs)
+