1.1.1: Small bugfixes to Grace

Features:

• Adds Docker support #73 (Thanks to @miyukki)
• Adds Kubernetes support #83 (Thanks to @gervaso)

Bugfixes:

• Add WARNING if no usable IP addresses for host or running VM were found #81
• Fix strip_host_domain_name for standalone hosts #75
• Fixes issues with insufficient data for nic teaming interfaces #80