Update history and bump version to 3.2.1

_docs/17-history.md

@@ -4,9 +4,19 @@ permalink: /docs/history/
 excerpt: "Changelog of enhancements and bug fixes made to the theme."
 sidebar:
   nav: docs
-modified: 2016-05-29
+modified: 2016-05-31T12:38:15-04:00
 ---
 
+## [3.2.1](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.2.1)
+
+### Bug Fixes
+
+- Remove need for "double tapping" masthead menu links on iOS devices. [#315](https://github.com/mmistakes/minimal-mistakes/issues/315)
+
+### Maintenance
+
+- Add `ISSUE_TEMPLATE.md` for improve issue submission process.
+
 ## [3.2.0](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.2.0)
 
 ### Bug Fixes