#815 Keep track of comments in the AST (parser.pegjs)

Originally at 2014-01-04T14:17:30Z by Nicolas Petton Currently comments are ignored in the generated AST. We'll need to include them if we want to have a refactoring engine in Helios. <bountysource-plugin> --- Want to back this issue? **[Post a bounty on it!](https://www.bountysource.com/issues/7400881-keep-track-of-comments-in-the-ast-parser-pegjs?utm_campaign=plugin&utm_content=tracker%2F79201&utm_medium=issues&utm_source=github)** We accept bounties via [Bountysource](https://www.bountysource.com/?utm_campaign=plugin&utm_content=tracker%2F79201&utm_medium=issues&utm_source=github). </bountysource-plugin>