Merge pull request #3053 from nexB/release-31-prep

Prepare  release 31

Signed-off-by: Philippe Ombredanne <[email protected]>

Author: pombredanne

.dockerignore

@@ -11,4 +11,16 @@ Dockerfile
 # Ignore other directories that are not required in the image
 tests/
 docs/
-samples/
+samples/
+venv/
+tmp/
+.cache/
+.pytest_cache/
+.settings/
+docs/
+build/
+dist/
+
+# generated files
+**/*.pyc
+src/licensedcode/data/cache/license_index/index_cache