Update README, RELEASING and all/build.gradle (#1064)

diff --git a/RELEASING.md b/RELEASING.md
index 675317e..d6f044c 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -224,6 +224,7 @@
   exporters/stats/stackdriver/README.md
   exporters/trace/instana/README.md
   exporters/trace/logging/README.md
+  exporters/trace/jaeger/README.md
   exporters/trace/stackdriver/README.md
   exporters/trace/zipkin/README.md
   )