Include gender & age in Constituent Summary Report

This is a follow up of issue CRM-13279 which was resolved for the
Participant Listing report only. In the Constituent Summary Report the
gender and age are missing from selectable fields, order-by and filter.
The fix follows the same pattern as the one for issue CRM-13279
CRM-15259 use same method to determine whether to show updateBilling link as whether to allow access to form
update fix for bug CRM-15268
api/v3/System - Add a "get" operation to return basic system info
CRM-15317: full fix
Webtest fixes and cleanup
Merge pull request #4192 from colemanw/Webtest

Webtest fixes and cleanup
Hack to ensure proper cache clearing during testAjaxCustomGroupLoad
CRM-15342 - Fix survey type options link
CRM-13981 - Avoid creating soft credit with insufficient params
Webtest fixes
Merge pull request #4197 from colemanw/Webtest

Webtest fixes
-- CRM-15055, Fixed CRM test for membership batch create

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* CRM-15055: Line item for membership entity should be created even when Record Payment is not checked
  https://issues.civicrm.org/jira/browse/CRM-15055
CRM-15345 - Remove debug var
Merge pull request #4200 from colemanw/CRM-15345

CRM-15345 - Remove debug var
Webtest Fixes
Webtest Fix
Merge pull request #4203 from rohankatkar/webtest_4.5.0

Webtest Fix
CRM-15345

Remove debug var from custom data 'View'
Merge pull request #4204 from JKingsnorth/CRM-15345a

CRM-15345