Colony

Added

* Support for new `config/python/singleton.py` python configuration mode
* New `getLevelInt()` method to the `logging` module

Fixed

* Multiple signals at exit, which could cause duplicate unloads

Added

* Made some alias to the more general `colony` config variables (`COLONY_PREFIX`, `COLONY_RUN_MODE`, and `COLONY_LAYOUT_MODE`)

Fixed

* Early return in Kafka method

Added

* Default topic support in Kafka config

Added

* Support for the `kafka_config()` method

Added

* Support for SASL in Kaka client