remove old 1.12 build, and add new badges

Author: ansel1

.github/workflows/go.yml

@@ -26,28 +26,4 @@ jobs:
       - name: Build
         run: |
           export PATH=$PATH:$GOPATH/bin
-          make tools all
-  buildold:
-    env:
-      GOPATH: ${{ github.workspace }}
-      GO111MODULE: off
-    defaults:
-      run:
-        working-directory: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        go: [ '1.12' ]
-    name: Build with old go version ${{ matrix.go }}, no modules
-    steps:
-      - uses: actions/setup-go@v2
-        with:
-          go-version: ${{ matrix.go }}
-      - uses: actions/checkout@v2
-        with:
-          path: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}
-      - name: Build
-        run: |
-          export PATH=$PATH:$GOPATH/bin
-          go get ./...
-          go build ./...
+          make tools all

README.md

@@ -1,4 +1,7 @@
-# vespucci [![Build Status](https://travis-ci.org/ansel1/vespucci.svg?branch=master)](https://travis-ci.org/ansel1/vespucci)
+# vespucci 
+[![Build](https://github.com/ansel1/vespucci/workflows/Build/badge.svg)](https://github.com/ansel1/vespucci/actions?query=branch%3Amaster+workflow%3ABuild+) 
+[![GoDoc](https://godoc.org/github.com/ansel1/vespucci/v4?status.png)](https://godoc.org/github.com/ansel1/vespucci/v4) 
+[![Go Report Card](https://goreportcard.com/badge/github.com/ansel1/vespucci/v4)](https://goreportcard.com/report/github.com/ansel1/vespucci/v4)
 
 vespucci implements utility functions for transforming values into a representation
 using only the simple types used in golang's mapping to JSON: