issue 3: add markup for text post
issue 3: add markup for photo post
issue 3: add markup for photoset post
issue 3: add markup for quote post
issue 3: add markup for link post
issue 3: add markup for chat post
issue 3: add markup for audio post
issue 3: add markup for video post
issue 3: add markup for answer post
issue 3: use smaller display photo for post

Also give a link to a high-res version if available.
issue 3: fix question title
issue 3: add markup for post footer
Merge pull request #4 from binarymage/feature/issue-3

issue 3: Basic post markup