Add training code

Author: Andreas Lugmayr

.gitignore

@@ -1,6 +1,12 @@
 __MACOSX/
 .DS_Store
 
+*.pth
+*.pklv4
+*.zip
+
+datasets/
+
 data/
 myenv/
 .idea

LICENSE

@@ -1,19 +1,17 @@
-MIT License
+Copyright (c) 2020 Huawei Technologies Co., Ltd.
+Licensed under CC BY-NC-SA 4.0 (Attribution-NonCommercial-ShareAlike 4.0 International) (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+    https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode
 
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
+The code is released for academic research use only. For commercial use, please contact Huawei Technologies Co., Ltd.
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+Parts of this repository are licensed by
+https://github.com/xinntao/BasicSR/blob/master/LICENSE/LICENSE
+https://github.com/chaiyujin/glow-pytorch/blob/master/LICENSE