Fix invalid Travis credentials and change tag to nightly (#9)

diff --git a/.travis.yml b/.travis.yml
index 224e813..d039615 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,8 +30,8 @@
 
 env:
   global:
-    - secure: "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"
-    - secure: "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"
+    - secure: "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"
+    - secure: "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"
 
 before_install:
   - npm conf set strict-ssl false
@@ -43,9 +43,9 @@
   - ./tools/travis/build.sh
 
 deploy:
-  # deploy latest
+  # deploy nightly
   - provider: script
-    script: ./tools/travis/deploy.sh openwhisk pluggable_feed_provider latest
+    script: ./tools/travis/deploy.sh openwhisk pluggable_feed_provider nightly
     on:
       branch: master
   # deploy tag