Allow base64 to accept byte[] as input
Allow base64 to accept byte[] as input

Change-Id: If7c8549497cf8a819341c3a7f2acb640e06420a9
Reviewed-on: http://review.couchbase.org/44724
Tested-by: Mark Nunberg <e7d42768707bf23038325b0b68d4b577e5f6064a@haskalah.org>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

couchbase/CouchbaseMock,couchbase/CouchbaseMock,mnunberg/CouchbaseMock,mnunberg/CouchbaseMock,marwensaid/CouchbaseMock,Playtika/CouchbaseMock,marwensaid/CouchbaseMock,Playtika/CouchbaseMock