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/wordwrap/test/break.js

@@ -0,0 +1,30 @@
+var assert = require('assert');
+var wordwrap = require('../');
+
+exports.hard = function () {
+    var s = 'Assert from {"type":"equal","ok":false,"found":1,"wanted":2,'
+        + '"stack":[],"id":"b7ddcd4c409de8799542a74d1a04689b",'
+        + '"browser":"chrome/6.0"}'
+    ;
+    var s_ = wordwrap.hard(80)(s);
+    
+    var lines = s_.split('\n');
+    assert.equal(lines.length, 2);
+    assert.ok(lines[0].length < 80);
+    assert.ok(lines[1].length < 80);
+    
+    assert.equal(s, s_.replace(/\n/g, ''));
+};
+
+exports.break = function () {
+    var s = new Array(55+1).join('a');
+    var s_ = wordwrap.hard(20)(s);
+    
+    var lines = s_.split('\n');
+    assert.equal(lines.length, 3);
+    assert.ok(lines[0].length === 20);
+    assert.ok(lines[1].length === 20);
+    assert.ok(lines[2].length === 15);
+    
+    assert.equal(s, s_.replace(/\n/g, ''));
+};