Create echelon.json

An alternative to profanity.js using a wordlist of DHS search terms. This wordlist for Profanity65 turns your GPG key into a useful version of the old Echelon-trolling email signature. 
List edited from https://gist.github.com/jm3/2815378.
Merge pull request #5 from mckinnon/patch-1

echelon.json option!