migraged from Travis CI to CircleCI

Author: Jeffrey D. King

README.md

@@ -1,11 +1,9 @@
 # go-errors
 
-[![Build Status](https://travis-ci.com/weathersource/go-errors.svg?branch=master)](https://travis-ci.com/weathersource/go-errors)
-[![Codevov](https://img.shields.io/codecov/c/github/weathersource/go-errors.svg)](https://codecov.io/gh/weathersource/go-errors)
-[![Go Report Card](https://goreportcard.com/badge/github.com/weathersource/go-errors)](https://goreportcard.com/report/github.com/weathersource/go-errors)
+[![CircleCI](https://circleci.com/gh/weathersource/go-errors.svg?style=shield)](https://circleci.com/gh/weathersource/go-errors)
 [![GoDoc](https://img.shields.io/badge/godoc-ref-blue.svg)](https://godoc.org/github.com/weathersource/go-errors) |
 
 Package errors is a robust and easy-to-use error package. It supports verbosity levels, maintains causal errors, implements stack tracing,
-maps to  common HTTP error codes, exposes temporary and timeout errors, implements JSON marshalling, and is GRPC compatible.
+maps to common HTTP error codes, exposes temporary and timeout errors, implements JSON marshalling, and is GRPC compatible.
 
 This package started [github.com/goware/errorx](https://github.com/goware/errorx) and grew from there.