Add a binary serialisation test that verifies that we can correctly deserialise an Offset from Noda Time 1.x (in preparation for changing the way we do this serialisation).
Add a binary serialisation test that verifies that we can correctly
deserialise an Offset from Noda Time 1.x (in preparation for changing the
way we do this serialisation).

jskeet/nodatime,zaccharles/nodatime,BenJenkinson/nodatime,nodatime/nodatime,BenJenkinson/nodatime,zaccharles/nodatime,zaccharles/nodatime,zaccharles/nodatime,jskeet/nodatime,malcolmr/nodatime,malcolmr/nodatime,malcolmr/nodatime,zaccharles/nodatime,malcolmr/nodatime,zaccharles/nodatime,nodatime/nodatime