remove support for node < v4.0.0

Author: 75lb

.travis.yml

@@ -4,5 +4,3 @@ node_js:
   - 6
   - 5
   - 4
-  - iojs
-  - 0.12

bin.js

@@ -3,7 +3,7 @@
 var detect = require('feature-detect-es6')
 
 if (detect.all('class', 'arrowFunction', 'let', 'const')) {
-  module.exports = require('./src/bin/cli')
+  module.exports = require('./bin/cli')
 } else {
   require('core-js/es6/object')
   module.exports = require('./es5/bin/cli')

src/bin/cli.js renamed to bin/cli.js

@@ -1,6 +1,6 @@
 'use strict'
 const tool = require('command-line-tool')
-const version = require('../../package').version
+const version = require('../package').version
 
 const cli = parseCommandLine()
 let options = cli.options._all
@@ -16,11 +16,11 @@ if (options.help) {
 
 /* jsdoc2md --clear */
 } else if (options.clear) {
-  const jsdoc2md = require('../../')
+  const jsdoc2md = require('../')
   jsdoc2md._interface = 'cli'
   jsdoc2md.clear().catch(handleError)
 } else {
-  const jsdoc2md = require('../../')
+  const jsdoc2md = require('../')
   jsdoc2md._interface = 'cli'
 
   /* jsdoc2md --config */