Update target SDK to 21

Author: lecho

hellocharts-library/AndroidManifest.xml

@@ -1,12 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="lecho.lib.hellocharts"
-    xmlns:android="http://schemas.android.com/apk/res/android"
     android:versionCode="2"
-    android:versionName="1.1">
+    android:versionName="1.1" >
 
     <uses-sdk
         android:minSdkVersion="8"
-        android:targetSdkVersion="19"/>
+        android:targetSdkVersion="21" />
 
-</manifest>
+</manifest>

hellocharts-samples/AndroidManifest.xml

@@ -6,7 +6,7 @@
 
     <uses-sdk
         android:minSdkVersion="8"
-        android:targetSdkVersion="19" />
+        android:targetSdkVersion="21" />
 
     <application
         android:allowBackup="true"