use fav strings as used on the webUI

src/main/java/com/owncloud/android/ui/fragment/ExtendedListFragment.java

@@ -647,8 +647,8 @@ public class ExtendedListFragment extends Fragment
                     setMessageForEmptyList(R.string.file_list_empty_headline_server_search,
                             R.string.file_list_empty, R.drawable.ic_search_light_grey);
                 } else if (searchType == SearchType.FAVORITE_SEARCH) {
-                    setMessageForEmptyList(R.string.file_list_empty_headline_server_search,
-                            R.string.file_list_empty_favorites, R.drawable.ic_star_light_grey);
+                    setMessageForEmptyList(R.string.file_list_empty_favorite_headline,
+                            R.string.file_list_empty_favorites_filter_list, R.drawable.ic_star_light_grey);
                 } else if (searchType == SearchType.VIDEO_SEARCH) {
                     setMessageForEmptyList(R.string.file_list_empty_headline_server_search_videos,
                             R.string.file_list_empty_text_videos, R.drawable.ic_list_empty_video);

src/main/res/values/strings.xml

@@ -95,14 +95,16 @@
     <string name="file_list_empty_headline">No files in here</string>
     <string name="file_list_empty">Upload some content or sync with your devices!</string>
     <string name="file_list_empty_favorites">Favorite some files or sync with your devices!</string>
+    <string name="file_list_empty_favorites_filter_list">Files and folders you mark as favorite will show up here</string>
     <string name="file_list_empty_favorites_filter">No favorited files found for your query!</string>
     <string name="file_list_loading">Loading&#8230;</string>
     <string name="file_list_no_app_for_file_type">No app found for file type!</string>
     <string name="local_file_list_empty">There are no files in this folder.</string>
     <string name="file_list_empty_headline_search">No results in this folder</string>
     <string name="file_list_empty_headline_server_search">No results</string>
-    <string name="file_list_empty_shared_headline">No shared files</string>
-    <string name="file_list_empty_shared">Share a photo with a friend?</string>
+    <string name="file_list_empty_favorite_headline">No favorites</string>
+    <string name="file_list_empty_shared_headline">Nothing shared yet</string>
+    <string name="file_list_empty_shared">Files and folders you share will show up here</string>
     <string name="file_list_empty_headline_server_search_videos">No videos</string>
     <string name="file_list_empty_headline_server_search_photos">No photos</string>
     <string name="file_list_empty_search">Try looking in another folder?</string>