update readme and setup

setup.py

@@ -41,10 +41,10 @@ setup(
     version="0.7.0",
     author="Thomas Wolf, Lysandre Debut, Victor Sanh, Tim Rault, Google AI Language Team Authors, Open AI team Authors",
     author_email="thomas@huggingface.co",
-    description="PyTorch version of Google AI BERT model with script to load Google pre-trained models",
+    description="Repository of pre-trained NLP Transformer models: BERT, GPT & GPT-2, Transformer-XL, XLNet and XLM",
     long_description=open("README.md", "r", encoding='utf-8').read(),
     long_description_content_type="text/markdown",
-    keywords='BERT NLP deep learning google',
+    keywords='NLP deep learning transformer pytorch BERT GPT GPT-2 google openai CMU',
     license='Apache',
     url="https://github.com/huggingface/pytorch-transformers",
     packages=find_packages(exclude=["*.tests", "*.tests.*",