Added keepasshttp plugin (requires mono-complete), bundler, electrum, hoogle, texlive, switched from jitsi to psiplus, use the correct gnupg2 package
setup: Add latest docker
setup: Add heroku-toolbelt
setup: avoid useless downloads
Revert "setup: Add heroku-toolbelt" due to https://github.com/heroku/heroku/issues/1211

This reverts commit 37fadd92e69ae05d852593ef20797531e2eea609.
setup: add the heroku gem
setup: Clone rbenv, bitmessage and add the rhc gem
setup: Add keybase npm program
setup: add exfat-fuse