api_v3_CaseTest - Fix failures. Load case-types by name (not title).

The old title-based lookup worked because it was subjected to munging, but
that mechanism changed in CRM-14798.
CiviCase - Consistently use name "housing_support" and "adult_day_care_referral"

See:
 * http://forum.civicrm.org/index.php/topic,33512.0.html
 * CRM-14798
api/v3/Case - Continue accepting case-type by title
Merge pull request #3653 from totten/master-case-failures

CiviCase - Fix naming inconsistencies