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

test/utils/slk.js

@@ -1,6 +1,8 @@
 // I know this is horrible
 // I just don't want the keys searchable on github
-module.exports = JSON.parse(new Buffer(
-  'eyJ1c2VyIjoiZWxhc3RpY3NlYXJjaC1qcyIsImtleSI6IjI0ZjQ5ZTA3LWQ4MmYtNDA2Ny04NTRlLWQ4MTVlYmQxNWU0NiJ9',
-  'base64'
-).toString('utf8'));
+module.exports = JSON.parse(
+  new Buffer(
+    'eyJ1c2VyIjoiZWxhc3RpY3NlYXJjaC1qcyIsImtleSI6IjI0ZjQ5ZTA3LWQ4MmYtNDA2Ny04NTRlLWQ4MTVlYmQxNWU0NiJ9',
+    'base64'
+  ).toString('utf8')
+);