cAdvisor 0.4.0 release.
Avoid compiling cadvisor statically for the docker image by deriving the image from a stripped down busybox image.
Log failures encountered while dumping to influxdb
Handle critical failures in cadvisor gracefully without getting stuck.
Merge pull request #241 from vishh/dns_lookup

Avoid compiling cadvisor statically for the docker image
Merge pull request #243 from vmarmol/release

cAdvisor 0.4.0 release.