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

Change case convention for permissions contract to match solidity style guide, add missing godoc comments, automate signature test

Refactor templating to util, move 'Solidity' types to a more proper abi package, improve documentation of permissions snatives and improve argument and return types

Introduce more strongly typed SNatives, templates for generating contract, and test for permissions contract

Signed-off-by: RJ Catalano <rj@monax.io>

Signed-off-by: RJ Catalano <rj@monax.io>

Signed-off-by: RJ Catalano <rj@monax.io>

Signed-off-by: RJ Catalano <rj@monax.io>

Signed-off-by: RJ Catalano <rj@monax.io>

Signed-off-by: RJ Catalano <rj@monax.io>

Signed-off-by: RJ Catalano <rj@monax.io>

eris-mint/vm: issue371, hotfix silence event call for delegate call as no transaction can commence with delegatecall