Fix gitlab:setup task on fresh installation

Fix file_name for archive

fixed API access to the project

Remove hardcoded refernce to gitlab-shell home. so that gitlab can be installed on any unix account other than git

OS X support for gitlab:check rake tasks

Environments support added to Gitlab config

archive download : namespace directory not created

Merge branch 'unicorn-app-dir-fix' of https://github.com/mikew/gitlabhq into mikew-unicorn-app-dir-fix

Conflicts:
	config/unicorn.rb.example

Constants in Events looks good now

Some fix for gitlab:gitlab_shell:check

Fixing issue #2970

Update lib/tasks/sidekiq.rake

API: Fixes return code when accessing non existent branch (#2922)

Merge branch 'easy-to-find-commit-on-network-graph' of https://github.com/hiroponz/gitlabhq into hiroponz-easy-to-find-commit-on-network-graph