Update Ion to 2.0.1

Clover/app/build.gradle

@@ -71,7 +71,7 @@ dependencies {
     compile 'com.j256.ormlite:ormlite-core:4.48'
     compile 'com.j256.ormlite:ormlite-android:4.48'
     compile 'com.android.support:support-v13:18.0.0'
-    compile 'com.koushikdutta.ion:ion:1.3.8'
+    compile 'com.koushikdutta.ion:ion:2.0.1'
     compile 'pl.droidsonroids.gif:android-gif-drawable:1.0.12'
 
     compile files('libs/httpclientandroidlib-1.2.1.jar')

Clover/app/src/main/java/org/floens/chan/utils/FileCache.java

@@ -75,7 +75,7 @@ public class FileCache {
                         public void onCompleted(Exception e, Response<File> result) {
                             callback.onProgress(0, 0, true);
 
-                            if (result != null && result.getHeaders() != null && result.getHeaders().getResponseCode() / 100 != 2) {
+                            if (result != null && result.getHeaders() != null && result.getHeaders().code() / 100 != 2) {
                                 if (result.getResult() != null) {
                                     delete(result.getResult());
                                 }