Version bump to 2.4.1
Publish 2.4.1 Changelog
Revert "[COOK-4330] - Bump nginx version for security issues (CVE-2013-0337, CVE-2013-4547)"

This reverts commit 9716b8ff97d1fd16ff45fcc487b622cb913550e5.
[COOK-4330] - Bump nginx version for security issues (CVE-2013-0337, CVE-2013-4547)