Bug 1439, Bug 1443 Binding Codec NormalizedNodeWriter support

Added initial implementation of Code generator for Binding Stream Writers
which uses NormalizedNodeStreamWriter on the backend
to write data.

Change-Id: Icae22fd1b9ed4256022650d3ad16b38c577f3d3a
Signed-off-by: Tony Tkacik <ttkacik@cisco.com>
Signed-off-by: Robert Varga <rovarga@cisco.com>