Ground work for hpa validation

Added the declarative schema for hpa validation. This is the ground
layering work for hpa validation.

Change-Id: I2ff30489e191ecf187711e1025f6e3faee9946c3
Issue-ID: VNFSDK-194
Signed-off-by: Lianhao Lu <lianhao.lu@intel.com>
diff --git a/setup.py b/setup.py
index b9db75a..3e0f38f 100644
--- a/setup.py
+++ b/setup.py
@@ -80,6 +80,7 @@
         'Topic :: System :: Systems Administration'],
 
     packages=find_packages(exclude=['tests*']),
+    package_data={'vnfsdk_pkgtools.validator': ['*.yaml']},
 
     entry_points={
         'console_scripts': [