Moved codemirror in the shared dir, new codeeditor seems to be working

shared/codemirror/addon/lint/yaml-lint.js

@@ -0,0 +1,28 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+// Depends on js-yaml.js from https://github.com/nodeca/js-yaml
+
+// declare global: jsyaml
+
+CodeMirror.registerHelper("lint", "yaml", function(text) {
+  var found = [];
+  try { jsyaml.load(text); }
+  catch(e) {
+      var loc = e.mark;
+      found.push({ from: CodeMirror.Pos(loc.line, loc.column), to: CodeMirror.Pos(loc.line, loc.column), message: e.message });
+  }
+  return found;
+});
+
+});