Imports
- github.com/blang/semver
- github.com/jordan-wright/email
- github.com/labstack/echo
- github.com/labstack/echo/engine
- github.com/spf13/viper
- github.com/xeipuuv/gojsonschema
- gopkg.in/labstack/echo.v2/engine/standard
- gopkg.in/labstack/echo.v2/middleware
- gopkg.in/mgo.v2
- gopkg.in/mgo.v2/bson
- gopkg.in/yaml.v2