Documentation for Docker image security scanning feature

Closes #4358

See merge request gitlab-org/gitlab-ee!3781

https://gitlab.com/gitlab-org/gl-sast/merge_requests/30

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

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

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

Docs: remove duplicate CI examples

See merge request gitlab-org/gitlab-ee!4008

Fix neutralCount computation to prevent negative values

Closes #4582

See merge request gitlab-org/gitlab-ee!4044

Update the grpc gem to 1.8.3

See merge request gitlab-org/gitlab-ee!4022

Refactor dispatcher project branches path (EE)

See merge request gitlab-org/gitlab-ee!4027

Refactor dispatcher projects blame and blob path (EE Version)

See merge request gitlab-org/gitlab-ee!4009

Refactor dispatcher dashboard mr path (EE Version)

See merge request gitlab-org/gitlab-ee!4001

Refactor dispatcher project boards path (EE Version)

See merge request gitlab-org/gitlab-ee!4011

Fix api Geo spec

See merge request gitlab-org/gitlab-ee!4035

Handle node details load failure gracefully on UI

Closes #4511 and #4552

See merge request gitlab-org/gitlab-ee!3992

EE port of main-js-tidy-up

See merge request gitlab-org/gitlab-ee!4016

Docs: move article "installing Git"  to its topic-related dir

See merge request gitlab-org/gitlab-ee!3973

Docs: move article "Laravel and Envoy w/ CI/CD"

See merge request gitlab-org/gitlab-ee!4000

Docs: move GitLab/Openshift article to its topic-related dir

See merge request gitlab-org/gitlab-ee!4004

Add in reference diagram for AWS arch

Closes gitlab-com/customer-success/professional-services#109

See merge request gitlab-org/gitlab-ee!3981

ee-patch for refactor of help and profiles in dispatcher.js

See merge request gitlab-org/gitlab-ee!4018

Epic issues API link

See merge request gitlab-org/gitlab-ee!3998

[EE] Adds Rubocop rule for line break around conditionals

See merge request gitlab-org/gitlab-ee!3919

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