Replace underscore with a hyphen for Foreman CLI.

As per https://github.com/theforeman/hammer-cli-foreman/pull/108,
Foreman hammer CLI commands will replace underscores for hyphens.

A separate PR will be filed once Katello CLI goes through the same
changes (see http://projects.theforeman.org/issues/4709).
cli/user delete admin user test
added assertions after user create
Added negative update ddt tests for Org
fixed puppet env tests
Merge pull request #527 from omaciel/replace-underscore-with-hyphen

Replace underscore with a hyphen for Foreman CLI.
fixed product tests
replaced Products.org_name to self.org_name
fixed repo tests
changes to sync test
fixed the message error for update Org
Merge pull request #532 from tkolhar/master

Added negative update ddt tests for Org
improved assertions as suggested
Merge pull request #504 from alda519/cli_user_admin_tests

cli/user delete admin user test
Merge pull request #534 from sghai/fixed-test

Fixed env and product tests..
Merge branch 'master' into prd-tests5

Conflicts:
	robottelo/ui/products.py