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

packages, and dubious tests, relocate nearer to code being tested.
Rewording of some docs, use gopkg for deps in makefile.

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

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

release: push latest from master, version tags from release, immutable version tag for tagged commits

release: push latest from master, version tags from release, immutable version tag for tagged commits

fixes #443