Adjust the LICENSE to work correctly with external packaging

Fixes #255

Author: ionrock

Diff for: LICENSE.txt

@@ -0,0 +1,13 @@
+Copyright 2012-2021  Eric Larson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+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.

Diff for: LICENSES/Apache-2.0.txt

@@ -4,7 +4,7 @@
 
 [metadata]
 license_files =
-   LICENSES/*
+   LICENSE.txt
 
 [tool:pytest]
 norecursedirs = bin lib include build