Add DataStorageUtils to detect connected SD cards

res/values/strings.xml

@@ -525,4 +525,9 @@
         <item quantity="other">%d selected</item>
     </plurals>
 
+    <string name="storage_description_external">External</string>
+    <string name="storage_description_sd">SD card</string>
+    <string name="storage_description_sd_no">SD card %1$d</string>
+    <string name="storage_description_unknown">Unknown</string>
+
 </resources>

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

@@ -0,0 +1,7 @@
+package com.owncloud.android.utils;
+
+/**
+ * Created by bartek on 06.12.2015.
+ */
+public class DataStorageUtils {
+}