Fixed problem with a SOAP v2 index page call to cause displaying Magento installation pageto all customers with PATCH_SUPEE-3762_EE_1.14.0.1_v1.sh from http://www.magentocommerce.com/download

Problem was caused by non thread safe PHP function libxml_disable_entity_loader().
See details at https://github.com/zendframework/zf1/issues/393 and https://bugs.php.net/bug.php?id=64938
Improved Magento Connect downloader with PATCH_SUPEE-3941_EE_1.14.0.1_v1.sh from http://www.magentocommerce.com/download

Summary of changes from http://www.magentocommerce.com/knowledge-base/entry/ce19-later-release-notes#ce19-patches-connect-general :

MPERF-4558 / APPSTORE-4590 : When you install a community-created translation package, the translation provided by the package overwrites any existing translations for the same items. This enables you to more easily install packages with translations.

MPERF-4558 / APPSTORE-4589 : To improve security, Magento Connect now uses HTTPS by default to download extensions, rather than FTP.

MPERF-4558 / APPSTORE-4557 : Extension developers can now create an extensions with a dash character in the name. Merchants can install those extensions without issues.

MPERF-4558 / APPSTORE-4575 : Magento administrators who attempt to install an extension with insufficient file system privileges are now informed. Typically, the Magento Admin Panel runs as the web server user. If this user has insufficient privileges to the Magento install dir, the Magento administrator sees an error message in the Magento Connect Manager.
Addressed USPS API changes that went effective on 9/7/2014 with PATCH_SUPEE-4291_EE_1.14.0.1_v1.sh from http://www.magentocommerce.com/download
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