A reliability update with fixes throughout.

• Imports more of your contacts correctly, including vCards saved in UTF-16 and cards that were skipped or duplicated.
• Long names and phone numbers now wrap in the PDF instead of being cut off.
• February 29 birthdays now appear correctly.
• Exporting a PDF can no longer hang.
• Search results stay current after your contacts change.
• Contacts sort into the right alphabetical section in every language.
• If you deselect every contact, that choice is now remembered after you relaunch.
• In the Compact layout, options that don't apply are now turned off.
• The purchase screen handles App Store connection problems more gracefully.