Bump to 3.6.7 and update changelog

Author: baka-kaba

Awful.apk/src/main/AndroidManifest.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="com.ferg.awfulapp"
-      android:versionCode="187"
-      android:versionName="3.6.5"
+      android:versionCode="188"
+      android:versionName="3.6.7"
       android:installLocation="auto">
     <supports-screens
         android:smallScreens="true"

Awful.apk/src/main/assets/changelog.html

@@ -5,6 +5,17 @@
 <!-- See the Changelog code for the expected structure of this document  -->
 
 <main>
+    <section>
+        <h2>3.6.7</h2>
+        <ul>
+            <li>Looks like you can add an icon when you send a private message now??</li>
+            <li>Revealed post previews on OLED themes and stopped them jumping around</li>
+            <li>Back by popular demand - rating threads!</li>
+            <li>Also maybe the ... post menu works for everyone now, even YOU</li>
+            <li>General fixes that are a secret</li>
+        </ul>
+    </section>
+
     <section>
         <h2>3.6.5</h2>
         <ul>