raised cookbook version number
LDAP binding via cookbook attributes
remove executable bit from puma configuration template
bind gitlab service to all IPv4 Interfaces

IPv6 Interfaces break on ubuntu lxc containers
use gitlab branch 5-3-stable for deployment
set correct access rights to the repos_path

according to the gitlab application check: https://github.com/gitlabhq/gitlabhq/blob/master/doc/install/installation.md#check-application-status
configure the per user project limit via cookbook attribute
ignore rbenv and kitchen configuration files
use gitlab-shell revision 1.5.0 fro deployment
updated version in README