Merge pull request #66 from ironcladlou/dev/cartridge_refactor

NodeLogger refactor
WIP Cartridge Refactor - don't chgrp locked files to root
Merge pull request #67 from jwhonce/dev/wip

WIP Cartridge Refactor - don't chgrp locked files to root
Merge pull request #68 from ironcladlou/dev/cartridge_refactor

Rename logger config keys
Merge pull request #69 from ironcladlou/dev/cartridge_refactor

Override NodeLogger for tests
Use NodeLogger for all node library logging