add basics for code higlighting support
change markdown rendering option "safe" to false
Update content-pipeline.
Set opts on the filter.
Merge pull request #3 from envygeeks/patch-2

Set opts on the filter.
Merge pull request #2 from envygeeks/patch-1

Update a few things with content-pipeline.
add instructions for code highlighting in README
add notice to README to specify compatible Monologue version
add support for Monologue 0.3

- replace CKEditor by EpicEditor, instead of TinyMCE
- remove the use of revisions
Update README.md
Update README.md