Adds support for gitlab-shell 1.8.0 https://github.com/gitlabhq/gitlab-shell/blob/master/config.yml.example
Moves change log to its own file
Increases version to 1.4.0
Adds test for ruby 2.0
Adds minor updates to unicorn config file
Increases default gitlabshell to 1.8.0
Increases default gitlab projects from 10 to 15