encapsulate go-crypto within our account abstraction layer, remove
various panics, prefer stdlib ed25519 methods over go-crypto.

Signed-off-by: Silas Davis <silas@monax.io>

execution, remove genesis making legacy

Signed-off-by: Silas Davis <silas@monax.io>

GenesisDoc data model with Tendermint, propagate Account type changes,
introduce GenesisSpec templating to 'self host' chain making.

Signed-off-by: Silas Davis <silas@monax.io>

Use genesis and config makers in test

Introduce assertion on global Burrow version and get Application to assert compatible consensus by type

licence: remove various GPLv3 copyright headers;

event_new: remove unused package that had been copied for discussion

monax: lingering eris -> monax company rename

licence: last pass, further cleanup