Python 3 compatibility, testing using tox

Cleanup of keys to align with logstash

Change-Id: Iddd09deb479ee6f402a915de0267a0e93497778b
diff --git a/.gitignore b/.gitignore
index 2780493..cdb0195 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,6 @@
 .coverage
 coverage.xml
 .git*
+.tox
+nose2-junit.xml
+