add 1.6, 1.7 to all_versions (#108)

Author: wdamon-intel

scripts/parse_specs.py

@@ -14,7 +14,7 @@
 from templates.helper import param_traits, type_traits, value_traits
 
 default_version = "1.0"
-all_versions = ["1.0", "1.1", "1.2", "1.3", "1.4", "1.5", "2.0"]
+all_versions = ["1.0", "1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "1.7", "2.0"]
 
 """
     preprocess object