convert Markdown in the summary property (#1149)

plugins/markdown.js

@@ -16,7 +16,8 @@ var defaultTags = [
     'params',
     'properties',
     'returns',
-    'see'
+    'see',
+    'summary'
 ];
 var hasOwnProp = Object.prototype.hasOwnProperty;
 var parse = require('jsdoc/util/markdown').getParser();

plugins/test/fixtures/markdown.js

@@ -19,6 +19,7 @@ function bar() {}
  * @property {string} value - Value of myParam.
  * @return {MyClass} Class instance.
  * @see [Example Inc.](http://example.com)
+ * @summary My class.
  */
 function MyClass(myParam) {
     this.value = myParam;

plugins/test/specs/markdown.js

@@ -24,7 +24,8 @@ describe('markdown plugin', function() {
             myClass.params[0].description,
             myClass.properties[0].description,
             myClass.returns[0].description,
-            myClass.see
+            myClass.see,
+            myClass.summary
         ].forEach(function(value) {
             // if we processed the value, it should be wrapped in a <p> tag
             expect( /^<p>(?:.+)<\/p>$/.test(value) ).toBe(true);