If you're being incarcerated for advocating civil rights, then you're doing it wrong. There are plenty of ways to affect change without committing a crime.
edit: I am a condamned and I didn't commit a crime.
Suggestion: put everything in an encrypted file (I think .7z is good, AFAIK .zip is very bad), send that to lots of people. If anything happens to you, it should be manageable to get the passphrase to somebody.
PS. HN is using HTTPS