[Guide] GitLab 6.7 - CentOS 6 - apache

Distribution      : CentOS 6.5 x64
GitLab version    : 6.7
Web Server        : apache with mod_proxy
Init system       : systemd
Database          : MySQL 5.5
Contributors      : lesstif
Additional Notes  : change SELinux rules for httpd hardening (httpd just access to gitlab, not all network)