Always use minor version 1 for binaries

When converting Erlang terms to binary, always use minor version 1.
Also use minor version 1 when determining the size of a term.

Change-Id: I3de9e3960509a7e0939375e5140a35f0176674a9
Reviewed-on: http://review.couchbase.org/42226
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Sarath Lakshman <sarath@couchbase.com>