install the gitlab vhost to /etc/nginx/sites-enabled/
gitlab-shell: talk directly to unicorn worker, instead of going through nginx
fix logic for copying user configurations
removed the hack to make git over ssh

since commit 4966ffd2045a8405cd06365f6a2b24bbfc570958 the hack to make git over ssh work when the default http/https ports are not used is not required.
added NGINX_X_FORWARDED_PROTO configuration option
removed hack to disable secure sessions store when using a load balancer with ssl.

since commit 0c09fc846b29e2d07c5fcce6d551c631d63ab710 the hack to allow login over plain http when ssl is enabled is no longer required since the "proxy_set_header X-Forwarded-Proto" configuration is set to https.
removed the gitlab.https.permission configuration template
renamed nginx template gitlab.https.strict to gitlab-ssl
readme: removed comment about hipache not performing https redirection
cleanup init script
Merge branch 'gitlab-next'
moved UseDNS sshd configuration to install script