Build 0010

This build was such a major overhaul that I gave up tracking all the
changes. They are not limited to:
- switched from Google gdata API to Google Calendar API V3. This makes
the program much more secure and no longer requires the user to type in
a password and also no longer stores passwords in encrypted text files
- implemented the Spring Framework for initializing the DataIo interface
- the program now creates VCard files for indicating when events should
be added and removed from the Outlook calendar
- synchronization logging now creates a new file for each
synchronization instead of appending to one log file