HR-216 - civicrm.css - Use same styling for "crm-button" in ".crm-container" and "#crm-container"
CRM_Utils_SQL_Select - Backport
CRM_Utils_SQL_Select cleanup:

 * Add more docs
 * Add test for ORDER BY
 * Add support for LIMIT
Merge pull request #2544 from totten/4.4-query-builder

CRM_Utils_SQL_Select - Backport
Merge pull request #2538 from totten/4.4-crm-button

HR-216 - civicrm.css - Use same styling for "crm-button" in ".crm-container" and "#crm-container"
HR-287 - CRM_Core_BAO_Setting - Guard against duplicate settings folders

Not sure this is needed, but there's been some example code floating around
in which extensions use buggy self-defenses to avoid duplicates.
Merge pull request #2554 from totten/4.4-settings-hook-dedupe

HR-287 - CRM_Core_BAO_Setting - Guard against duplicate settings folders