CRM-13685 - "Manage Extensions" - Fix upgrade check

----------------------------------------
* CRM-13685: "Manage Extension" screen should use "<" to determine upgradeability
  http://issues.civicrm.org/jira/browse/CRM-13685
Merge pull request #1882 from totten/4.3-mgext-upg

CRM-13685 - "Manage Extensions" - Fix upgrade check
Case API - Fix undefined index
Merge pull request #1908 from colemanw/4.3

Case API - Fix undefined index
CRM-13713: localize the display of the country/province name for custom fields.
Merge pull request #1920 from mlutfy/4.3-crm13713

CRM-13713: localize the display of the country/province name for custom fields.