crypto bits and new key structures.
directory movement
more directory movement
more dir fiddling
yet more file stuff
new PuffUser module; include and reference modifications to support new structure.
internalizing P2P network layer
bugfix for users modules
cleanup for QR codes
removing extraneous scripts
carving out space for a puff packer; removing missing source map.
Merge branch 'master' of github.com:puffball/freebeer