I don't think this is the same event as mentioned in that post (and in fact, the post has since been updated) as pointed out by ambiate [1] (below). The original discussion was related to a compromise supposedly detected by RiskIQ. This is something else entirely. To quote the link in that article:

"Update via Twitter: We have detected a new compromise of jquery.com and are taking action to mitigate the attack. Updates to follow. – September 24, 2014 at 12:20PM EDT"

[1] https://news.ycombinator.com/item?id=8362743

The page was temporarily replaced with a plain-text message explicitly stating they were hacked and that the hacker was looking for a job. The page has since been reverted.

Hotel wireless connections are sometimes considered harmful. Use a VPN connection of your choice (i.e. your employer, a trustworthy provider or else).