Updates jsonwebtoken to 5.0.0
Updates jsonwebtoken to 5.0.0

Security update: https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/

pepyatka/pepyatka-server,golozubov/freefeed-server,FreeFeed/freefeed-server,SiTLar/freefeed-server,davidmz/pepyatka-server,SiTLar/freefeed-server,golozubov/freefeed-server,FreeFeed/freefeed-server