docs: classification rst docs replaced with ipynb and minor docs fixes (

#1600)

Co-authored-by: Fedor Ignatov <ignatov.fedor@gmail.com>

README.md

@@ -34,13 +34,9 @@ Please leave us [your feedback](https://forms.gle/i64fowQmiVhMMC7f9) on how we c
 
 [Automatic Spelling Correction](http://docs.deeppavlov.ai/en/master/features/models/spelling_correction.html) | [Entity Linking](http://docs.deeppavlov.ai/en/master/features/models/entity_linking.html)
 
-[Russian SuperGLUE](http://docs.deeppavlov.ai/en/master/features/models/superglue.html)
-
-**Skills**
+[Open Domain Questions Answering](http://docs.deeppavlov.ai/en/master/features/models/odqa.html) | [Frequently Asked Questions Answering](http://docs.deeppavlov.ai/en/master/features/models/faq.html)
 
-[Open Domain Questions Answering](http://docs.deeppavlov.ai/en/master/features/skills/odqa.html)
-
-[Frequently Asked Questions Answering](http://docs.deeppavlov.ai/en/master/features/skills/faq.html)
+[Russian SuperGLUE](http://docs.deeppavlov.ai/en/master/features/models/superglue.html)
 
 **Embeddings**
 

deeppavlov/download.py

@@ -145,7 +145,7 @@ def download_resource(url: str, dest_paths: Iterable[Union[Path, str]], headers:
 
 def download_resources(args: Namespace) -> None:
     if not args.all and not args.config:
-        log.error('You should provide either skill config path or -all flag')
+        log.error('You should provide either model config path or -all flag')
         sys.exit(1)
     elif args.all:
         downloads = get_configs_downloads()