Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Also reorganize application settings related to repository in more maninful sections

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

In gitlab-org/gitlab-ce!17807 the `package-qa` job was renamed to
`package-and-qa`. But it was not renamed in the docs. So this change
fixes that.

a new repository location class.

it's not nil nor false.

GITLAB_USERNAME and GITLAB_PASSWORD may be specified for an LDAP login, but QA
scenarios may need to know which type it is in order to log in successfully.

For a new instance, the root password needs to be set, regardless of whether
LDAP is enabled.

and use an invalid user name that is random so we know it's invalid

This reverts commit e6579d82, reversing
changes made to afcd9fc7.