Client Addressee and Salutation defaults; now include an "[Initials]" tag

Client Addressee and Salutation defaults now include an "[Initials]" tag. This includes the Initials from the First and Middle Names, e.g. "James Edward Smith"'s initials would be "JE".

Global Settings, Clients group, New Clients page now includes the following defaults:

Salutation:
Sir/Madam
[Sir/Madam]
[FirstName]
[Title][LastName]
[Title][LastName][Initial]
[Title][LastName][Initials]
[Title][Initial][LastName]
[Title][Initials][LastName]

Addressee:
[FirstName][LastName]
[Initial][LastName]
[Initials][LastName]
[Title][LastName]
[Title][Initial][LastName]
[Title][Initials][LastName]
[Title][FirstName][LastName]