KeePass KdbpFile format

*** NOTE: Not compatible with KeePass 2.35 or greater ***

This is a plugin to KeePass <http://www.KeePass.info> to allow import and export of a new file
format called KDBP. This contains 100% of the data in a standard kdbx file, and is encrypted
using exactly the same compression, cryptography and integrity code. The difference is that
inside the encrypted container, rather than XML, is a binary format serialized using Protocol
Buffers. This has the advantage of being smaller and faster than XML, and is therefore particularly
suitable for use with mobile versions of KeePass, such as Keepass2Android <http://keepass2android.codeplex.com/>.

Note that as this is a new file format, the KdbpFile plugin is required for desktop KeePass to be
able to import files that have been exported using it. Other ports and implementations of KeePass
may in the future include native support for the format, but if they do not, they will not be
able to read these files.