Add BaseBoardList superclass and refactor other resources to inherit from it

See merge request gitlab-org/gitlab-ee!15997

Docs: Clarify config value true is a string

See merge request gitlab-org/gitlab-ce!32209

Gitlab CI Linter otherwise gives error `variables config should be a hash value of key value pairs`

Skip requesting diverging commit counts if no branches are listed

See merge request gitlab-org/gitlab-ce!32496

This fixes a regression where an underscore in labels no
longer worked:
https://github.com/knsv/mermaid/releases

Update Code-Quality.gitlab-ci.yml to use `only.refs`

See merge request gitlab-org/gitlab-ce!32394

[CE] Use atlassian-jwt-ruby gem

See merge request gitlab-org/gitlab-ce!32519

Fix issue with empty Licenses in Dependency List

See merge request gitlab-org/gitlab-ee!15818

Since dependency_list report and license_management_report
are different jobs, we need to collect this info separately

Use atlassian-jwt-ruby gem

See merge request gitlab-org/gitlab-ee!15978

And refactor other resources to inherit from the superclass.

This allows overriding `only.refs` to something else if needed. 

Rename Geo::BaseSyncService class

Closes #12275

See merge request gitlab-org/gitlab-ee!15779

Replace indexes for counting active users

See merge request gitlab-org/gitlab-ce!32538

Replace indexes for counting active users

See merge request gitlab-org/gitlab-ce!32538

Handle :9090 and 0.0.0.0:9090 listen_address formats

See merge request gitlab-org/gitlab-ce!32456

Prometheus listen_address can be in formats of :9090 and 0.0.0.0:9090.
But before these can be used to connect a project to Prometheus, they
have to converted into absolute URIs.

[ci skip]

[ci skip]

[ci skip]

This is used by the Jira integration in EE

Handle :9090 and 0.0.0.0:9090 listen_address formats

See merge request gitlab-org/gitlab-ee!15890

Prometheus listen_address can be in formats of :9090 and 0.0.0.0:9090.
But before these can be used to connect a project to Prometheus, they
have to converted into absolute URIs.

Removes our own implementation that was based on that gem

Update screenshots for License Compliance

Closes gitlab-ee#8910

See merge request gitlab-org/gitlab-ce!32537

Support selective highlighting of lines

See merge request gitlab-org/gitlab-ce!32514

Added example for passing Maven repo credentials

Closes gitlab-ee#6711

See merge request gitlab-org/gitlab-ce!32073

Docs james gill contribution

See merge request gitlab-org/gitlab-ce!32520

CE: Reduce amount of property definitions in ChatNotificationService

See merge request gitlab-org/gitlab-ce!32363