BUG-1304: rework BindingGeneratorImpl from xtend to java

Change-Id: Idc09bca749951fb8c075b9ffb291c2a6a362dbe2
Signed-off-by: Martin Vitez <mvitez@cisco.com>
Merge "BUG-1304: rework BindingGeneratorImpl from xtend to java"