Merge pull request #1626 from eileenmcnaughton/master

test & comment block fixes
SyntaxConformanceTest - Fix failure for MessageTemplates
Merge pull request #1627 from totten/master-msg-tmpl-api

SyntaxConformanceTest - Fix failure for MessageTemplates
MessageTemplate - Change XML/BAO/DAO references from "MessageTemplates" to "MessageTemplate"
MessageTemplate - Rename XML/BAO files
MessageTemplate - Change APIv3 references from "MessageTemplates" to "MessageTemplate"
MessageTemplate - Rename APIv3 files from "MessageTemplates" to "MessageTemplate"
MessageTemplate - Update api/v3/examples
Merge pull request #1628 from totten/master-msg-tmpl-rename

Rename MessageTemplates to MessageTemplate
worked on CRM-13366
CRM-13388 - Fix upgrade error due to undefined column, "description"

This change allow civicrm_user_categories() to call getModuleUFGroup() without fetching the unused "descripton" column. During an upgrade, civicrm_user_categories() runs before the "description" column is created.

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* CRM-13388: Drush upgrade fails due to missing column, civicrm_uf_group.description
  http://issues.civicrm.org/jira/browse/CRM-13388
CRM-13386
CRM-13380 : fix status and date filters for mailing search pages

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* CRM-13380: 'Mailings' pages: search doesn't work correctly.
  http://issues.civicrm.org/jira/browse/CRM-13380
CRM-13382 : exposing of 'Canceled', 'All Status' status option of mailing status filter on mailing search pages for easy search

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* CRM-13382: Make 'Mailings' searches more comprehensive
  http://issues.civicrm.org/jira/browse/CRM-13382
* CRM-13380: 'Mailings' pages: search doesn't work correctly.
  http://issues.civicrm.org/jira/browse/CRM-13380
Merge pull request #1632 from totten/master-ufgroup-upgrade-error

CRM-13388 - Fix upgrade error due to undefined column, "description"
Merge pull request #1630 from yashodha/CRM-13366

worked on CRM-13366
Merge pull request #1633 from yashodha/CRM-13386

CRM-13386
Merge pull request #1634 from eileenmcnaughton/master

CRM-13234 api/v3/Profile fix tests & support lower case primary fields
Merge pull request #1636 from pratik-joshi/CRM-13380

CRM-13380 : fix status and date filters for mailing search pages
test fix - EventTest fix getfields api_action alias (for rest)