codacy: Classes implementing Serializable should set a serialVersionUID

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

src/main/java/com/nextcloud/client/di/InjectorNotFoundException.java

@@ -21,6 +21,8 @@
 package com.nextcloud.client.di;
 
 class InjectorNotFoundException extends RuntimeException {
+    private static final long serialVersionUID = 2026042918255104421L;
+
     InjectorNotFoundException(Object object, Throwable cause) {
         super(
             String.format(

src/main/java/com/owncloud/android/datastorage/UniqueStorageList.java

@@ -30,6 +30,8 @@ import java.util.Vector;
  * @author Bartosz Przybylski
  */
 public class UniqueStorageList extends Vector<StoragePoint> {
+    private static final long serialVersionUID = -6504937852826767050L;
+
     @Override
     public boolean add(StoragePoint sp) {
         try {

src/main/java/com/owncloud/android/operations/RemoteOperationFailedException.java

@@ -4,6 +4,8 @@ package com.owncloud.android.operations;
  * RuntimeException for throwing errors of remote operation calls.
  */
 public class RemoteOperationFailedException extends RuntimeException {
+    private static final long serialVersionUID = 5429778514835938713L;
+
     /**
      * Constructs a new runtime exception with the specified detail message and
      * cause.

src/main/java/com/owncloud/android/ui/activity/StorageMigration.java

@@ -317,6 +317,7 @@ public class StorageMigration {
 
     static private class FileMigrationTask extends FileMigrationTaskBase {
         private class MigrationException extends Exception {
+            private static final long serialVersionUID = -4575848188034992066L;
             private int mResId;
 
             MigrationException(int resId) {