Update release notes

CHANGELOG.md

@@ -2,6 +2,15 @@
 Change Log
 ==========================
 
+2.1.6
+--------------------------
+
+### Fixes
+
+- Improve stability on saving (Thanks to zom-san!).
+
+
+
 2.1.5
 --------------------------
 

CotEditor/CotEditor.help/Contents/Resources/en.lproj/pgs/releasenotes.html

@@ -23,6 +23,24 @@
 
 
 
+<article>
+<header>
+	<h1>CotEditor 2.1.6</h1>
+	<p>release: <time>2015-07-xx</time></p>
+</header>
+
+
+<section>
+<h2>Fixes</h2>
+
+<ul>
+	<li>Improve stability on saving (Thanks to zom-san!).</li>
+</ul>
+</section>
+</article>
+
+
+
 <article>
 <header>
 	<h1>CotEditor 2.1.5</h1>

CotEditor/CotEditor.help/Contents/Resources/ja.lproj/pgs/releasenotes.html

@@ -23,6 +23,24 @@
 
 
 
+<article>
+<header>
+	<h1>CotEditor 2.1.6</h1>
+	<p>リリース: <time>2015-07-xx</time></p>
+</header>
+
+
+<section>
+<h2>バグフィックス</h2>
+
+<ul>
+	<li>ファイル保存時の安定性を強化（zom さんに感謝！）</li>
+</ul>
+</section>
+</article>
+
+
+
 <article>
 <header>
 	<h1>CotEditor 2.1.5</h1>