activity restructure fixes
added handler for activity record types
removed debugging
removed unwnated code
Merge pull request #69 from kurund/views-fixes

Views fixes related to activity restructuring
CRM-13560 - add documentation

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* CRM-13560: hook_civicrm_unsubscribeGroups is undocumented
  http://issues.civicrm.org/jira/browse/CRM-13560
Merge pull request #70 from dlobo/CRM-13560

CRM-13560 - add documentation
CRM-13589 - civicrm_member_roles_sync_user called when it should not be

http://issues.civicrm.org/jira/browse/CRM-13589
Merge pull request #71 from dlobo/CRM-13589

CRM-13589 - civicrm_member_roles_sync_user called when it should not be