0.2.0

Bug Fixes

• oops, improve the health check (#97) (d26e6d23, closes #96)
• Add libcurl4 to Dockerfile (ab19b4f7, closes #94)

Features

• Add metrics (9fdb5973, closes #83)
• add sentry error reporting (ec2a104c, closes #70)

Chore

• Base to rocket "0.4" (67f4b98f, closes #84)
• update circleci to use new docker auth (#85) (0813565e)
• Update Docker to rust 1.45 (58d0cc4a)
• add a badge for the matrix channel (40cacd24)