Started cleaning up the public API/Keyring to use the "packetlist"
concept. More cleanup still to do, also need to determine best way to
submodule keyring. Ripping out previous packet.io addition because it
isn't needed/ goes against packetlist.
ref to test/index.html
Merge branch 'devel' of github.com:openpgpjs/openpgpjs into devel