Use standard and prettier (#10)

* switch from custom eslint config to standard + prettier

* fix new standard eslint violations

* add editorconfig file

* auto-fix all other violations

* update lint yarn script

* remove jshint comment

grunt/config/run.js

@@ -4,57 +4,56 @@ var config = {
   generate: {
     exec: 'node ./scripts/generate/index.js',
     options: {
-      passArgs: [
-        'verbose'
-      ]
-    }
+      passArgs: ['verbose'],
+    },
   },
   browser_test_server: {
     exec: 'node ./test/utils/server',
     options: {
       wait: false,
       quiet: false,
-      ready: /listening/
-    }
+      ready: /listening/,
+    },
   },
   clone_bower_repo: {
     exec: [
       'test -d src/bower_es_js',
-      'git clone git@github.com:elastic/bower-elasticsearch-js.git <%= bowerSubmodule %>'
+      'git clone git@github.com:elastic/bower-elasticsearch-js.git <%= bowerSubmodule %>',
     ].join(' || '),
     options: {
-      quiet: true
-    }
+      quiet: true,
+    },
   },
   checkout_bower_repo_master: {
     exec: 'git checkout master',
     options: {
       cwd: '<%= bowerSubmodule %>',
-      quiet: true
-    }
+      quiet: true,
+    },
   },
   checkout_bower_repo_prerelease: {
     exec: 'git checkout prerelease',
     options: {
       cwd: '<%= bowerSubmodule %>',
-      quiet: true
-    }
+      quiet: true,
+    },
   },
   push_prerelease_branch: {
-    exec: 'git add -A && git commit -m "prerelease build" && git push origin prerelease',
+    exec:
+      'git add -A && git commit -m "prerelease build" && git push origin prerelease',
     options: {
       cwd: '<%= bowerSubmodule %>',
-      quite: true
-    }
+      quite: true,
+    },
   },
   release_bower_tag: {
-    exec: 'node ./scripts/release/bower'
-  }
+    exec: 'node ./scripts/release/bower',
+  },
 };
 
-gruntUtils.branches.forEach(function (branch) {
+gruntUtils.branches.forEach(function(branch) {
   config['generate_' + branch] = {
-    exec: 'node ./scripts/generate/index.js --branch=' + branch
+    exec: 'node ./scripts/generate/index.js --branch=' + branch,
   };
 });