Kubernetes 1.8 reference docs (#5632)

* Kubernetes 1.8 reference docs

* Kubectl reference docs for 1.8

* Update side bar with 1.8 kubectl and api ref docs links

docs/api-reference/v1.8/node_modules/minimist/test/parse_modified.js

@@ -0,0 +1,9 @@
+var parse = require('../');
+var test = require('tape');
+
+test('parse with modifier functions' , function (t) {
+    t.plan(1);
+    
+    var argv = parse([ '-b', '123' ], { boolean: 'b' });
+    t.deepEqual(argv, { b: true, _: ['123'] });
+});