Front page links

@rwongone @dvdfu @matthewdu

Gets the top 5 posts from reddit.com/.json and you can click on them to send a POST request and anonymize them.

Also fixed a couple of bugs on the client where conversation and header data didn't exist and routed "invalid" url to the main page.


I think we should merge this into master to get rid of all these node modules and I'll close and delete the other pull requests.