Add dialog to allow user to choose backup file.
Do not show dialog if no files found.
Fix regex for autobackup files.
sort files by name.
Bookmark activity: last backup shown below all bookmarks.
limit autobackup up to 10 files only.
manual backup file is listed on top.
Fix date displayed. Consistent with bookmark activity.
replace string with string resource.
Reverse file ordering.
Add title and add margins.