See https://github.com/gitlabhq/gitlabhq/pull/3597#discussion-diff-4014638

When asking to fork a project and a project with the same name
already exists (likely from a previous fork), the recovery from
the fork failure would inadvertantly delete the repo of the
existing destination project.

Fix overlapping test case names.

s/was/were/ for plural subjects

Merge branch 'feature/refactoring_scopes_pr' of https://github.com/Undev/gitlabhq into Undev-feature/refactoring_scopes_pr

Conflicts:
	db/schema.rb

Install gems with user `git`, not `gitlab`

Fixed JSON description of system hook