Bump target sdk to 21

AndroidManifest.xml

@@ -8,7 +8,7 @@
 
     <uses-sdk
         android:minSdkVersion="7"
-        android:targetSdkVersion="19" />
+        android:targetSdkVersion="21" />
 
     <supports-screens
         android:anyDensity="true"

build.gradle

@@ -78,7 +78,7 @@ project(':extern:zipsigner') {
 }
 
 android {
-	compileSdkVersion 19
+	compileSdkVersion 21
 	buildToolsVersion toolVersion
 
 	compileOptions {

project.properties

@@ -1,4 +1,4 @@
-target=android-19
+target=android-21
 
 android.library.reference.1=extern/UniversalImageLoader/library
 android.library.reference.2=extern/MemorizingTrustManager

test/project.properties

@@ -11,4 +11,4 @@
 #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
 
 # Project target.
-target=android-19
+target=android-21