:+1: version and update docs

CHANGES.md

@@ -1,7 +1,11 @@
 CHANGES
 ========
 
-## 3.0.11-RC
+## 3.0.12-RC
+
+* 
+
+## 3.0.11
 
 * Fix: login.html is broken in iOS
 * Fix: Removing attachment is crashed

package.json

@@ -1,6 +1,6 @@
 {
   "name": "growi",
-  "version": "3.0.11-RC",
+  "version": "3.0.12-RC",
   "description": "Team collaboration software using markdown",
   "tags": [
     "wiki",