Enable markdown pipeline filters from inside gitlab.
Failing test for apostrophe at the end of user mention on project with issue iid 39.
Replace apostrophe with right single quote to avoid markdown interpretation as issue 39.
Add a test for apostrophe in code blocks.
Substitute right single quote back with apostrophe.
Add a comment why this is done.
Bump html-pipeline-gitlab gem version
Make sure relative url and asset_host are honored, specs.
Merge branch 'enabling_markdown_pipelines_from_gitlab' into 'master'

Enabling markdown pipelines from gitlab

Define which markdown pipelines are used in GitLab from application instead from gem.

See merge request !1164
Merge branch 'master' of github.com:gitlabhq/gitlabhq
Merge branch 'bug_with_apostrophe' into 'master'

Bug with apostrophe when at mentioning users

This fixes the situation where mentioning user with apostrophe at the end causes a link to issue 39 if the project has that issue, so `@marin` would look like `@marin&#39;s`.

Fixes #1034

See merge request !1165
Merge branch 'master' of dev.gitlab.org:gitlab/gitlabhq