renamed sortDirectory to sortFolder

src/com/owncloud/android/ui/adapter/FileListListAdapter.java

@@ -337,7 +337,7 @@ public class FileListListAdapter extends BaseAdapter implements ListAdapter {
             mFiles = null;
         }
 
-        mFiles = FileStorageUtils.sortDirectory(mFiles);
+        mFiles = FileStorageUtils.sortFolder(mFiles);
         notifyDataSetChanged();
     }
     
@@ -383,7 +383,7 @@ public class FileListListAdapter extends BaseAdapter implements ListAdapter {
         FileStorageUtils.mSortOrder = order;
         FileStorageUtils.mSortAscending = ascending;
         
-        mFiles = FileStorageUtils.sortDirectory(mFiles);
+        mFiles = FileStorageUtils.sortFolder(mFiles);
         notifyDataSetChanged();
     }    
 }

src/com/owncloud/android/ui/preview/PreviewImagePagerAdapter.java

@@ -78,7 +78,7 @@ public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
         mStorageManager = storageManager;
         mImageFiles = mStorageManager.getFolderImages(parentFolder); 
         
-        mImageFiles = FileStorageUtils.sortDirectory(mImageFiles);
+        mImageFiles = FileStorageUtils.sortFolder(mImageFiles);
         
         mObsoleteFragments = new HashSet<Object>();
         mObsoletePositions = new HashSet<Integer>();

src/com/owncloud/android/utils/FileStorageUtils.java

@@ -139,7 +139,7 @@ public class FileStorageUtils {
     /**
      * Sorts all filenames, regarding last user decision 
      */
-    public static Vector<OCFile> sortDirectory(Vector<OCFile> files){
+    public static Vector<OCFile> sortFolder(Vector<OCFile> files){
         switch (mSortOrder){
         case 0:
             files = FileStorageUtils.sortByName(files);