Merge pull request #4 from jay-hodgson/develop

SWC-1230: autolink versioned synapse entity
Merge pull request #5 from jay-hodgson/develop

SWC-1112: change hash to hashbang when bang is missing from link
Merge pull request #6 from jay-hodgson/develop

SWC-1287: Upgrade jsoup and use it to scrub html (and set us up to whitelist html in the future if we want)
SWC-1332: fix table css class parsing