Fixes for reclass diff and README:

Change-Id: Id7b8aa425cd7e4317ba8f2e1e640bb515392c7d1
Related-PROD: PROD-28199
diff --git a/cfg_checker/modules/reclass/__init__.py b/cfg_checker/modules/reclass/__init__.py
index 0dcf426..2546ec3 100644
--- a/cfg_checker/modules/reclass/__init__.py
+++ b/cfg_checker/modules/reclass/__init__.py
@@ -39,9 +39,8 @@
 
 
 def do_diff(args):
-    logger_cli.info("# Reclass comparer (HTML report: '{}'".format(args.file))
+    logger_cli.info("# Reclass comparer (HTML report)")
     _filename = args_utils.get_arg(args, 'html')
-
     # checking folder params
     _model1 = args_utils.get_path_arg(args.model1)
     _model2 = args_utils.get_path_arg(args.model2)
diff --git a/cfg_checker/modules/reclass/comparer.py b/cfg_checker/modules/reclass/comparer.py
index 5ef2ca5..b0b7b37 100644
--- a/cfg_checker/modules/reclass/comparer.py
+++ b/cfg_checker/modules/reclass/comparer.py
@@ -57,7 +57,7 @@
         try:
             _size = 0
             with open(fname, 'r') as f:
-                _yaml = yaml.load(f)
+                _yaml = yaml.load(f, Loader=yaml.FullLoader)
                 _size = f.tell()
             # TODO: do smth with the data
             if not _yaml:
diff --git a/cfg_checker/reports/reporter.py b/cfg_checker/reports/reporter.py
index 377c061..ec120f3 100644
--- a/cfg_checker/reports/reporter.py
+++ b/cfg_checker/reports/reporter.py
@@ -159,8 +159,8 @@
 
     def _extend_data(self, data):
         # move names into separate place
-        data["names"] = data["rc_diffs"].pop("diff_names")
-        data["tabs"] = data.pop("rc_diffs")
+        data["names"] = data["diffs"].pop("diff_names")
+        data["tabs"] = data.pop("diffs")
         
         # counters - mdl_diff
         for _tab in data["tabs"].keys():