Improve CI and README

.circleci/config.yml

@@ -2,17 +2,22 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/golang:1.10
+      - image: circleci/golang:latest
     working_directory: /go/src/github.com/fossoreslp/go-uuid-v4
     steps:
       - checkout
       - run: go get
+      - run: go get -u github.com/jstemmer/go-junit-report
+      - run: go get -u github.com/mattn/goveralls
+      - run: mkdir test-results
       - run:
           name: Run unit tests
-          command: go test
+          command: go test -v 2>&1 | go-junit-report > test-results/report.xml
       - run:
           name: Coverage
-          command: go test -cover
+          command: goveralls -show -service=circle-ci
       - run:
           name: go vet
-          command: go vet
+          command: go vet
+      - store_test_results:
+          path: test-results

README.md

@@ -1,7 +1,11 @@
 Go UUIDv4
 =========
 
-[![CircleCI branch](https://img.shields.io/circleci/project/github/FossoresLP/go-uuid-v4/master.svg?style=flat-square)](https://circleci.com/gh/FossoresLP/go-uuid-v4)
+[![CircleCI](https://img.shields.io/circleci/project/github/FossoresLP/go-uuid-v4/master.svg?style=flat-square)](https://circleci.com/gh/FossoresLP/go-uuid-v4)
+[![Coveralls](https://img.shields.io/coveralls/github/FossoresLP/go-uuid-v4/master.svg?style=flat-square)](https://coveralls.io/github/FossoresLP/go-uuid-v4)
+[![Codacy](https://img.shields.io/codacy/grade/146eef6b23314b74a0a3a47d106a388d.svg?style=flat-square)](https://www.codacy.com/app/FossoresLP/go-uuid-v4)
+[![Licensed under: Boost Software License](https://img.shields.io/badge/style-BSL--1.0-red.svg?longCache=true&style=flat-square&label=License)](https://github.com/FossoresLP/go-uuid-v4/blob/master/LICENSE.md)
+[![GoDoc](https://img.shields.io/badge/style-reference-blue.svg?longCache=true&style=flat-square&label=GoDoc)](https://godoc.org/github.com/FossoresLP/go-uuid-v4)
 
 This package contains a *minimal* implementation of UUIDv4 in Go.