Perform LDAP group sync on sign in only for new users

Closes #7352

See merge request gitlab-org/gitlab-ee!7515

Create constants for IDE commit action values

See merge request gitlab-org/gitlab-ce!27613

Add basic configuration page in Jira to add / remove namespaces

Closes #9641

See merge request gitlab-org/gitlab-ee!10453

Docs: review MR !27275

Closes #60631

See merge request gitlab-org/gitlab-ce!27585

Docs: review MR !27275

See merge request gitlab-org/gitlab-ee!11437

Job artifact documentation: Added list of textual formats

Closes #56801

See merge request gitlab-org/gitlab-ce!27430

!22112 added the latest extension to this list, .log meaning
that this doc extension is valid for version >= 11.5

Closes #56801

Use Gitea logo for importer

Closes #48842

See merge request gitlab-org/gitlab-ce!27424

Move out inline JS for JIRA connect in favour of dedicated script
and stylesheet.

Adds page to add / remove namespaces within Jira

Resolve "Move EE differences for app/views/projects/issues/show.html.haml"

Closes #6352

See merge request gitlab-org/gitlab-ee!11094

CE backport: "Move EE differences for app/views/projects/issues/show.html.haml"

See merge request gitlab-org/gitlab-ce!27440

app/views/projects/issues/show.html.haml"

**Why?**
These values will be used to help build the mirroring diff.
It is helpful keeping it controlled in a constant.

**Links:**
- https://gitlab.com/gitlab-org/gitlab-ee/issues/10232
- https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/11478

Remove related items CSS properties and add utility classes

See merge request gitlab-org/gitlab-ce!27583

Remove related items CSS properties and add utility classes

Closes gitlab-ce#59831

See merge request gitlab-org/gitlab-ee!11233

Update Elasticsearch docs and add "projects_not_indexed" rake task

Closes #10195

See merge request gitlab-org/gitlab-ee!9842

- Added yum command for libicu-devel install
- Added `git clone` and cd commands to install instructions
- Added note about system requirements
- Added optional step to delete the index for disabling ElasticSearch
- Removed step about creating empty index, as wrapper script does this
- Added warning about async indexing and sidekiq
- Added section about rake tasks
  - Defined rake tasks and linked to corresponding rake file
- Added periods to the end of rake task descriptions
- Added Scopes section
- Added Environment Variables Section
  - Added subsection about batching
  - Added subsection about indexing one project
- Added more to troubleshooting not finding data
- Added more to troubleshooting concerning time it takes to index
- Added troubleshooting section verifying ElasticSearch is being used
- Fixed typo in indexing small instances section
  - use the index the data ~>  index the data
- Added hyperlink to the Enabling ElasticSearch section
- Removed unneeded comma from line 33
- Put emphasis on MUST on line 173
- Changed some wording on line 187
  - time drop -> decreae in indexing time
- Fixed spelling and grammar mistakes
- Added example of using BATCH
- Fixed typo on line 67: TO ~> To
- Removed `the` on line 442
- Wrapped scope names in backtickets on lines 428-436
- Changed `user` to `GitLab instance` on line 402
- Specfied default 300 projects instead of just 300 on line 384 and 392
- Removed line numbers from links, lines 332-376
- Changed * to - for listing style, lines 332-376
- Changed * to - for listing style, lines 397-400
- Added backticks to variable names, lines 384-387
- Removed a `#` from Batching for spacing niceness, line 389
- Removed a `#` from Indexing a specific... for spacing niceness, 412
- Added periods for full stops on env variable table, lines 384-387
- Changed pipe symbol to slash for table formatting on L385
- Changed all instances of ElasticSearch to Elasticsearch
- Changed Project.all to ActiveRecord query
- Used count on ActiveRecord query to determine if all were indexed
- Used find_each to process in batches for efficiency
- Changed ActiveRecord query to make it cleaner
- Removed spec test for new rake task as it was unneeded
- Remade projects_not_indexed task to show 1st 500 nonindexed projects
  - Added ability to display all using env variable SHOW_ALL
- Put a newline before `if not_indexed`
- Put a newline between `end` and `arr`
- Put a newline between `end` and `puts`
- Fixed spacing issues
- Used return of conditional for vairable assignment on L224
- Added README.md to high_availability link

Externalize left sidebar strings

See merge request gitlab-org/gitlab-ce!27532

Update test to stub `load_schema` instead of `load_schema_for`

Closes #11282

See merge request gitlab-org/gitlab-ee!11468

Introduce ServiceResponse to wrap around response

Closes #60730

See merge request gitlab-org/gitlab-ce!27516

EE: Introduce ServiceResponse to wrap around response

See merge request gitlab-org/gitlab-ee!11277

This updates the spec to make it consistent with
the code that uses the new method

Bring Slack app docs to CE and add tiers

See merge request gitlab-org/gitlab-ce!27598

Bring Slack app docs to CE and add tiers

See merge request gitlab-org/gitlab-ee!11447

Docs update on SAML SSO improvements

See merge request gitlab-org/gitlab-ee!11391