This commit also logs a message to handle the exception during the node checks. Fixes https://github.com/redhat-chaos/krkn/issues/356, https://github.com/redhat-chaos/krkn/issues/357
* added pre-commit and code-cleaning * removed tox and TravisCI
This commit enables performance monitoring on the cluster when running Kraken to be able to observe how cluster reacts to failures as it's important to make sure the cluster is healthy in terms of both recovery as well as performance.