Merge pull request #6 from oracle/Issue#5---try/catch-missing-a-logger.severe

Added logger.severe to try/catch around __perform_model_file_validati…

Author: robertpatrick

core/src/main/python/validate.py

@@ -297,6 +297,8 @@ def main():
                                                 model_context)
 
         except ValidateException, ve:
+            __logger.severe('WLSDPLY-20000', _program_name, ve.getLocalizedMessage(), error=ve,
+                            class_name=_class_name, method_name=_method_name)
             __clean_up_temp_files()
             sys.exit(CommandLineArgUtil.PROG_ERROR_EXIT_CODE)