Some fixes for speedtest

Added backoff to speedtest

Disabled speedtest by default; moved to :latest image; installed trac…

…eroute for later

Using new smaller base image

Merge pull request #32 from plaintextpackets/issue_27

Fixed issue with 0 data returned when DNS times out

Volume persistence via Docker volume

Release version 1.1.0 with Dockerhub image and individual site metrics

Initial release version 1.0.0