Merge pull request #61 from dadi/patch/readme-update

Remove Greenkeeper and Istanbul - add Nyc

.gitignore

@@ -1,4 +1,5 @@
 node_modules
 .DS_Store
 coverage/*
-config/mongodb.test.json
+config/mongodb.test.json
+.nyc_output/

.travis.yml

@@ -5,9 +5,9 @@ cache:
 notifications:
   email: false
 node_js:
-  - '10'
   - '8'
-  - '6'
+  - '10'
+  - 'lts/*'
 before_script:
   - npm prune
 after_success:
@@ -17,4 +17,3 @@ branches:
     - /^v\d+\.\d+\.\d+$/
 services:
   - mongodb
-before_install: if [[ `npm -v` != 5* ]]; then npm i -g npm@latest; fi

README.md

@@ -5,7 +5,6 @@
 [![Build Status](https://travis-ci.org/dadi/api-mongodb.svg?branch=master)](https://travis-ci.org/dadi/api-mongodb)
 [![JavaScript Style Guide](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](http://standardjs.com/)
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg?style=flat-square)](https://github.com/semantic-release/semantic-release)
-[![Greenkeeper badge](https://badges.greenkeeper.io/dadi/api-mongodb.svg)](https://greenkeeper.io/)
 [![Known Vulnerabilities](https://snyk.io/test/github/dadi/api-mongodb/badge.svg)](https://snyk.io/test/github/dadi/api-mongodb)
 
 ## Requirements