Fix Travis config (#529)

* Fix indentation in Travis config.
* Fill GitHub OAuth key.
* Deploy tags from all branches.

(cherry picked from commit e2f40a9)

.travis.yml

@@ -33,13 +33,16 @@ deploy:
     user: JonathanHuot
     password:
       secure: "OozNM16flVLvqDoNzmoTENchhS1w0/dEJZvXBQK2KWmh8fyGj2UZus1vkl6bA5V3Yu9MZLYFpDcltl/qraY3Up6iXQpwKz4q+ICygAudYM2kJ5l8ZEe+wy2FikWbD6LkXf5uKIJJnPNSC8AI86ZyxM/XZxbYjj/+jXyJ1YFZwwQ="
-      distributions: sdist bdist_wheel
-      on:
-        tags: true
-        repo: oauthlib/oauthlib
+    distributions: sdist bdist_wheel
+    on:
+      tags: true
+      all_branches: true
+      repo: oauthlib/oauthlib
   - provider: releases
-    api_key: "$GITHUB_OAUTH_TOKEN"
+    api_key:
+      secure: "YwPR/xHcqKdBAo8bSfJqAj2aD8zEdVYbbeAoo+cl1OZkRnCC1WnsfXw865wC/gi/sSQUFvdHFGGdy5CY1Iv3E67W2CiJDN0X6AxQPrq50WUzk/pyUyvIBhsHKMU+FDYmRGU2cwOy8jlun9V9fzC2LkA9yyAklisePbIg0I3mhKA="
     skip_cleanup: true
     on:
       tags: true
+      all_branches: true
       repo: oauthlib/oauthlib