cherry-picked from 2a11c674, bfa6fb3a and 078878c3

Revamp apache config files and README

Conflicts:
	web-server/apache/gitlab-8.0-apache2.2.conf
	web-server/apache/gitlab-8.0-ssl-apache2.2.conf

Updated configuration for Gitlab 8.x and Apache Httpd 2.2.x. after rebase and integration of b8290a5c commit.

Fix mailroom wget command in systemd README

Aligned them to nginx config in gitlab-ce to make downloads work.

Add mailroom service

add incomming email queue

Issue #268 Updated Apache config for not to encode %2F double

Added missing dependency

add nodejs as required package

systemd: create new unit for gitlab-git-http-server.

This service is required for HTTP(S) push and pull operations from 8.0
and presumably onwards.

Replace gitlab-git-http-server regex with that used for Nginx. Fixes #30

Updates sidekiq service file for systemd

Lack of `-q archive_repo` causes redirect loop.

https://gitlab.com/gitlab-org/gitlab-ce/issues/1565#note_1335538

See merge request !33

https://gitlab.com/gitlab-org/gitlab-ce/issues/1565#note_1335538

https://github.com/gitlabhq/gitlabhq/issues/6119#issuecomment-131191050

Also includes Active Directory/LDAP sync code and automated hook
addition.

GitLab version higher than 7.9 need a node installation. For more information see: https://gitlab.com/gitlab-org/gitlab-ce/commit/5c9a924fe7172f62ed359277e467c8570bda718c

ruby version adjusted to recent version