Deploy a master tag image (#37)

diff --git a/.travis.yml b/.travis.yml
index e384ec8..1e65e8b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,11 +37,16 @@
 - "./tools/travis/deploy.sh"
 - "./tools/travis/test.sh"
 deploy:
-- provider: script
-  script: "./tools/travis/publish.sh openwhisk ${TRAVIS_TAG%@*} ${TRAVIS_TAG##*@}"
-  on:
-    tags: true
-    all_branches: true
+  - provider: script
+    script: "./tools/travis/publish.sh openwhisk ${TRAVIS_TAG%@*} ${TRAVIS_TAG##*@}"
+    on:
+      tags: true
+      all_branches: true
+deploy:
+  - provider: script
+    script: "./tools/travis/publish.sh openwhisk 8 master"
+    on:
+      branch: master
 env:
   global:
   - secure: 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