added server cl option to disable registration of new accounts
Move --disable-registration to config and add error code.
Merge branch 'duy-disablereg'
Prompt twice for passphrases in the CLI.
Support erasure storage for statefiles created via the CLI.
Add RUNNING documentation.
Update paper draft.

(Second draft, it needs a lot of work.)
Add Pond server setup documentation
Go 1.0 needs return statements.
cli.go uses the TPM-related message strings.

Needed when building with -tags nogui.
Update to account for changes in the ed25519 package.
Merge branch 'ln5-fixes'
Fixes to the "running a server" documentation.
Merge branch 'david415-david-server-setup-docs'
Get CLI working on OS X.
CLI tweaks and cleanups.
cli: Don't print an empty line after an empty table.
Add a user guide for the CLI.
Use cliTable for printing help in the CLI.
Discare pure acks from the inbox.

With this change, pure ack messages (those with an empty Body) will be
discarded after processing and no longer kept in the inbox.