Cleanup.
Add document dependency.
Updated  package.json
Updated version.
Support pandoc DefinitionLists.
Updated package.json
Merge branch '0.2.x' of https://github.com/substance/converter into 0.2.x
Updated package.json
Merge branch '0.2.x' of https://github.com/substance/converter into 0.2.x
Bump version.
updated packages.json
Support nested lists in PandocImporter.
Merge branch '0.2.x' of https://github.com/substance/converter into 0.2.x
Add repository to module config.
PandocImporter skips HTML comments.
Remove integration test 'lens_readme' from test-suite.

All other tests are unit tests
or at least minimal in what they cover.
Merge branch '0.2.x' of https://github.com/substance/converter into 0.2.x
Regression fix for PandocExporter.

With pandoc 1.12.0.2, the representation of "Space" in the
JSON model finally changed from

"Space"

to

{ "Space": [] }
Fix bug in importing Pandoc images with captions.
Converter script to create pandoc json files.