This just extends the HTML::Pipeline::SanitizationFilter with our custom
whitelist.

Removes header and table of contents processing from Redcarpet renderer.

Didn't like relying so much on Regex matches

Removes emoji-centric tests from GFM specs 

Commit ranges, commits, external issues, issues, labels, merge requests,
snippets, users.

When nesting task list items, the parent item is wrapped in a `<p>` tag.
Update the task list parser to handle these paragraph wrappers.

Using gitlab url to build links for gitlab issue tracker and add a spec. Fix rubocop warnings in path.

Make the following changes to deal with new behavior in Rails 4.1.2:

* Use nested resources to avoid slashes in arguments to path helpers.

Signed-off-by: Jeroen van Baarsen <jeroenvanbaarsen@gmail.com>

Signed-off-by: Jeroen van Baarsen <jeroenvanbaarsen@gmail.com>

Assert the full GitLab root URL, including the port, instead of using a
regexp to tolerate whatever port is returned.

Prevent test failures when GitLab is configured to use a port other than
80.

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

Allow whitelisted tags to appear in rendered HTML output by disabling
Redcarpet's `:filter_html` option.