Update travis to build pages on release

TomSlater · TomSlater · commit c22bbe8eec95 · 2019-11-19T13:47:56.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -26,5 +26,5 @@ deploy:
   github_token: $GITHUB_TOKEN  # Set in travis-ci.org dashboard, marked secure
   keep-history: true
   on:
-    branch: master
+    branch: release
   local_dir: docs/_build/html/
