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

Signed-off-by: VoR0220 <rj@erisindustries.com>

client, keys: debugging unit tests on the lack of proper types (before introducing types post 0.12.0-rc3)