[WIP] add markdown support for comments, assignments and mardown files

[DouweKoopmans]

fixes #149

[coveralls]

Coverage increased (+0.2%) to 57.127% when pulling bb98ba9 on MarkdownRendering into 546ac57 on master.

[coveralls]

Coverage increased (+0.2%) to 57.127% when pulling bb98ba9 on MarkdownRendering into 546ac57 on master.

[DouweKoopmans]

don't know why coveralls says the coverage went up, i haven't written any tests yet

[coveralls]

Coverage increased (+0.09%) to 57.041% when pulling cb13d41 on MarkdownRendering into 546ac57 on master.

[coveralls]

Coverage increased (+0.1%) to 57.1% when pulling 63cdf9f on MarkdownRendering into 546ac57 on master.

[coveralls]

Coverage increased (+0.09%) to 57.042% when pulling 274ae7e on MarkdownRendering into 546ac57 on master.

[coveralls]

Coverage increased (+0.01%) to 56.966% when pulling e53554c on MarkdownRendering into 546ac57 on master.

[coveralls]

Coverage increased (+0.2%) to 57.051% when pulling 7335de6 on MarkdownRendering into 70e815a on master.

[DouweKoopmans]

unfortunately quotation marks are being escaped, so this creates weird output when working with java strings.

[jwgmeligmeyling]

Ah thats a shame... Maybe we should fix Pegdown?

[coveralls]

Coverage increased (+0.09%) to 56.896% when pulling badcd96 on MarkdownRendering into 70e815a on master.

[coveralls]

Coverage increased (+0.7%) to 57.517% when pulling c5f5f23 on MarkdownRendering into 70e815a on master.

[coveralls]

Coverage increased (+0.9%) to 57.753% when pulling 8e454b3 on MarkdownRendering into 70e815a on master.