Create new file for apache 2.4 and above

Changed the authorization commands to conform to apache2.4 and above
http://httpd.apache.org/docs/2.4/upgrading.html#access
Added information about the Apache2.4 files in the README.md
Added the file for HTTP access with Apache2.4
Added link to apache2.4 doc
Merge pull request #189 from Chluz/patch-1

[Webserver Conf File] GitLab 6.x - Apache v2.4 and up