Update gitlab.yml to 5.0 version
Revert "Update gitlab.yml to 5.0 version"

This reverts commit bbdd07ade07702c296f92883a9a0ce24c19e6b1d.
Revert "Revert "Update gitlab.yml to 5.0 version""

This reverts commit 007d38658859bdd1aa187a1139681746a2ca7ca1.
Only one user needed.
Gitlab-shell recipe.
Update default recipe.
Update setup_ebs recipe
Email recipe update.
migrate_db recipe update.
Update setup_db recipe for git user
Use dev repo and gitlab-5-0 branch.
Get init.d script for 5.0.
Update staging role to use only recipes without gitolite.