:+1: version and update docs

CHANGES.md

@@ -1,29 +1,35 @@
 CHANGES
 ========
 
-## 3.1.5-RC
+## 3.1.6-RC
 
-* Feature: Support [blockdiag](http://blockdiag.com)
+* (WIP) Feature: Support [blockdiag](http://blockdiag.com)
 * Feature: Add `BLOCKDIAG_URI` environment variable
 
-## 3.1.4
+## 3.1.5
 
+* Feature: Write comment with Markdown
+* Improvement: Support some placeholders for template page
+* Improvement: Omit unnecessary response header
+* Improvement: Support LDAP attribute mappings for user's full name
 * Improvement: Enable to scroll revision-toc
-* Fix: sanitize `#raw-text-original` content with 'entities'
+* Fix: Posting to Slack doesn't work
+    * Introduced by 3.1.0
 * Fix: page.rename api doesn't work
+* Fix: HTML escaped characters in markdown are unescaped unexpectedly after page is saved
+* Fix: sanitize `#raw-text-original` content with 'entities'
+* Fix: Double newline character posted
+    * Introduced by 3.1.4
+* Fix: List and Comment components do not displayed
+    * Introduced by 3.1.4
 * Support: Upgrade libs
     * markdown-it-toc-and-anchor-with-slugid
 
 
-## 3.1.3
+## 3.1.4 (Missing number)
+
+## 3.1.3 (Missing number)
 
-* Feature: Write comment with Markdown
-* Improvement: Support some placeholders for template page
-* Improvement: Omit unnecessary response header
-* Improvement: Support LDAP attribute mappings for user's full name
-* Fix: HTML escaped characters in markdown are unescaped unexpectedly after page is saved
-* Fix: Posting to Slack doesn't work
-    * Introduced by 3.1.0
 
 ## 3.1.2
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "growi",
-  "version": "3.1.5-RC",
+  "version": "3.1.6-RC",
   "description": "Team collaboration software using markdown",
   "tags": [
     "wiki",