Update manifest + README for v2.2.2

Author: Chris Banes

README.md

@@ -42,7 +42,7 @@ it distributed to the central repositories. Simply add the following to your
 <dependency>
     <groupId>com.github.chrisbanes.bitmapcache</groupId>
     <artifactId>library</artifactId>
-    <version>2.2.1</version>
+    <version>2.2.2</version>
 </dependency>
 ```
 

library/AndroidManifest.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="uk.co.senab.bitmapcache"
-    android:versionCode="2210"
-    android:versionName="2.2.1" >
+    android:versionCode="2220"
+    android:versionName="2.2.2" >
 
     <uses-sdk android:minSdkVersion="4" />
 

sample/AndroidManifest.xml

@@ -1,7 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="uk.co.senab.bitmapcache.samples"
-    android:versionCode="2210"
-    android:versionName="2.2.1" >
+    android:versionCode="2220"
+    android:versionName="2.2.2" >
 
     <uses-sdk
         android:minSdkVersion="4"