CRM-15173 Add Drush action to do civicrm_member_role_sync
CRM-15174
Merge pull request #157 from eileenmcnaughton/CRM-15173

CRM-15173 Add Drush action to do civicrm_member_role_sync
Merge pull request #158 from eileenmcnaughton/CRM-15174

CRM-15174 wording clarification on membership roles