Fixes #7251 - hammer org_id help text missing

This fixes an issue in hammer where the --organization-id is missing
descriptions. Hammer uses the show action to determine the description
for the id param when building options for dependant resources.
Fixes #7027: Restrict mongodb to version 2.4 or greater.
Fixes #7272 - system has extra validation on name

System has an extra validation for presence of name. This validation is
already happening in the NameFormatValidator.
Merge pull request #4610 from ehelms/fixes-7027

Fixes #7027: Restrict mongodb to version 2.4 or greater.
fixes #6605 - Adds registered by to content host, BZ 1020402
fixes #7271 - validate repositories associated to content views
Merge pull request #4615 from jlsherrill/7271

fixes #7271 - validate repositories associated to content views
Merge pull request #4542 from cfouant/reg-by

fixes #6605 - Adds registered by to content host, BZ 1020402
Merge pull request #4616 from dustint-rh/extra_system_validation

Fixes #7272 - system has extra validation on name
Merge pull request #4609 from dustint-rh/hammer_org_id_description

Fixes #7251 - hammer org_id help text missing