Merge branch 'update-links-to-ci-status' into 'master'

Update links in CI docs after GitLab 8.1

Fix that some links to CI status in docs were broken even after following redirects.

As CI build overview is now missing (cf. #3008), this MR uses `?scope=all` parameter.

See merge request !1733

doc/ci/examples/README.md

 # Build script examples
 
-+ [Test and deploy Ruby applications to Heroku](test-and-deploy-ruby-application-to-heroku.md)
-+ [Test and deploy Python applications to Heroku](test-and-deploy-python-application-to-heroku.md)
-+ [Test Clojure applications](test-clojure-application.md)
++ [Test and deploy a Ruby application to Heroku](test-and-deploy-ruby-application-to-heroku.md)
++ [Test and deploy a Python application to Heroku](test-and-deploy-python-application-to-heroku.md)
++ [Test a Clojure application](test-clojure-application.md)

doc/ci/examples/test-and-deploy-python-application-to-heroku.md

 ## Test and Deploy a python application
 This example will guide you how to run tests in your Python application and deploy it automatically as Heroku application.
 
-You can checkout the example [source](https://gitlab.com/ayufan/python-getting-started) and check [CI status](https://ci.gitlab.com/projects/4080).
+You can checkout the example [source](https://gitlab.com/ayufan/python-getting-started) and check [CI status](https://gitlab.com/ayufan/python-getting-started/builds?scope=all).
 
 ### Configure project
 This is what the `.gitlab-ci.yml` file looks like for this project:

doc/ci/examples/test-and-deploy-ruby-application-to-heroku.md

 ## Test and Deploy a ruby application
 This example will guide you how to run tests in your Ruby application and deploy it automatiacally as Heroku application.
 
-You can checkout the example [source](https://gitlab.com/ayufan/ruby-getting-started) and check [CI status](https://ci.gitlab.com/projects/4050).
+You can checkout the example [source](https://gitlab.com/ayufan/ruby-getting-started) and check [CI status](https://gitlab.com/ayufan/ruby-getting-started/builds?scope=all).
 
 ### Configure project
 This is what the `.gitlab-ci.yml` file looks like for this project:
@@ -64,4 +64,4 @@ gitlab-ci-multi-runner register \
 
 With the command above, you create a runner that uses [ruby:2.1](https://registry.hub.docker.com/u/library/ruby/) image and uses [postgres](https://registry.hub.docker.com/u/library/postgres/) database.
 
-To access PostgreSQL database you need to connect to `host: postgres` as user `postgres` without password.
+To access PostgreSQL database you need to connect to `host: postgres` as user `postgres` without password.
\ No newline at end of file

doc/ci/examples/test-clojure-application.md

-## Test Clojure applications
+## Test a Clojure application
 
 This example will guide you how to run tests in your Clojure application.
 
-You can checkout the example [source](https://gitlab.com/dzaporozhets/clojure-web-application) and check [CI status](https://ci.gitlab.com/projects/6306).
+You can checkout the example [source](https://gitlab.com/dzaporozhets/clojure-web-application) and check [CI status](https://gitlab.com/dzaporozhets/clojure-web-application/builds?scope=all).
 
 ### Configure project