Other: Slim down CI testing and remove some not ultimately necesssary…

… dependencies with audit issues

.travis.yml

@@ -1,17 +1,10 @@
 dist: trusty
 language: node_js
 node_js:
-  - 0.12
-  - 4
+  - node
+  - lts/*
   - 4.3.2
-  - 6
-  - 8
-  - 10
+  - 4
 branches:
   only: master
 script: npm test && npm run bench
-
-matrix:
-  include:
-  - node_js: 8
-    script: set -e; if [ -n "$CODECLIMATE_REPO_TOKEN" ]; then npm run coverage-ci; fi

README.md

@@ -1,5 +1,5 @@
 <h1><p align="center"><img alt="protobuf.js" src="https://github.com/dcodeIO/protobuf.js/raw/master/pbjs.png" width="120" height="104" /></p></h1>
-<p align="center"><a href="https://npmjs.org/package/protobufjs"><img src="https://img.shields.io/npm/v/protobufjs.svg" alt=""></a> <a href="https://travis-ci.org/dcodeIO/protobuf.js"><img src="https://travis-ci.org/dcodeIO/protobuf.js.svg?branch=master" alt=""></a> <a href="https://codeclimate.com/github/dcodeIO/protobuf.js/coverage"><img src="https://codeclimate.com/github/dcodeIO/protobuf.js/badges/coverage.svg" /></a> <a href="https://npmjs.org/package/protobufjs"><img src="https://img.shields.io/npm/dm/protobufjs.svg" alt=""></a> <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=dcode%40dcode.io&item_name=Open%20Source%20Software%20Donation&item_number=dcodeIO%2Fprotobuf.js"><img alt="donate ❤" src="https://img.shields.io/badge/donate-❤-ff2244.svg"></a></p>
+<p align="center"><a href="https://npmjs.org/package/protobufjs"><img src="https://img.shields.io/npm/v/protobufjs.svg" alt=""></a> <a href="https://travis-ci.org/dcodeIO/protobuf.js"><img src="https://travis-ci.org/dcodeIO/protobuf.js.svg?branch=master" alt=""></a> <a href="https://npmjs.org/package/protobufjs"><img src="https://img.shields.io/npm/dm/protobufjs.svg" alt=""></a> <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=dcode%40dcode.io&item_name=Open%20Source%20Software%20Donation&item_number=dcodeIO%2Fprotobuf.js"><img alt="donate ❤" src="https://img.shields.io/badge/donate-❤-ff2244.svg"></a></p>
 
 **Protocol Buffers** are a language-neutral, platform-neutral, extensible way of serializing structured data for use in communications protocols, data storage, and more, originally designed at Google ([see](https://developers.google.com/protocol-buffers/)).
 
@@ -869,7 +869,7 @@ By default, protobuf.js integrates into any browserify build-process without req
 
   ```js
   var Long = ...;
-  
+
   protobuf.util.Long = Long;
   protobuf.configure();
   ```