Updating .auroraversion to release version 0.5.0-incubating.
diff --git a/.auroraversion b/.auroraversion
index 73d9984..78fcc7a 100644
--- a/.auroraversion
+++ b/.auroraversion
@@ -1 +1 @@
-0.5.0-rc2
+0.5.0-incubating