Replace jshint with eslint and add lots of rules

Fix eslint errors accordingly

test/lib/stunnel-process.js

@@ -12,16 +12,16 @@ if (typeof EventEmitter !== 'function') {
     EventEmitter = EventEmitter.EventEmitter;
 }
 
-function once(cb) {
+function once (cb) {
     var called = false;
-    return function() {
+    return function () {
         if (called) return;
         called = true;
         cb.apply(this, arguments);
     };
 }
 
-function StunnelProcess(conf_dir) {
+function StunnelProcess (conf_dir) {
     EventEmitter.call(this);
 
     // set up an stunnel to redis; edit the conf file to include required absolute paths
@@ -33,16 +33,16 @@ function StunnelProcess(conf_dir) {
 
     // handle child process events, and failure to set up tunnel
     var self = this;
-    this.timer = setTimeout(function() {
+    this.timer = setTimeout(function () {
         self.emit('error', new Error('Timeout waiting for stunnel to start'));
     }, 8000);
 
-    stunnel.on('error', function(err) {
+    stunnel.on('error', function (err) {
         self.clear();
         self.emit('error', err);
     });
 
-    stunnel.on('exit', function(code) {
+    stunnel.on('exit', function (code) {
         self.clear();
         if (code === 0) {
             self.emit('stopped');
@@ -52,7 +52,7 @@ function StunnelProcess(conf_dir) {
     });
 
     // wait to stunnel to start
-    stunnel.stderr.on("data", function(data) {
+    stunnel.stderr.on('data', function (data) {
         if (data.toString().match(/Service.+redis.+bound/)) {
             clearTimeout(this.timer);
             self.emit('started');
@@ -61,25 +61,25 @@ function StunnelProcess(conf_dir) {
 }
 util.inherits(StunnelProcess, EventEmitter);
 
-StunnelProcess.prototype.clear = function() {
+StunnelProcess.prototype.clear = function () {
     this.stunnel = null;
     clearTimeout(this.timer);
 };
 
-StunnelProcess.prototype.stop = function(done) {
+StunnelProcess.prototype.stop = function (done) {
     if (this.stunnel) {
         this.stunnel.kill();
     }
 };
 
 module.exports = {
-    start: function(done, conf_dir) {
+    start: function (done, conf_dir) {
         done = once(done);
         var stunnel = new StunnelProcess(conf_dir);
         stunnel.once('error', done.bind(done));
         stunnel.once('started', done.bind(done, null, stunnel));
     },
-    stop: function(stunnel, done) {
+    stop: function (stunnel, done) {
         stunnel.removeAllListeners();
         stunnel.stop();
         stunnel.once('error', done.bind(done));