make controller use http instead of https (#283)

diff --git a/tools/travis/build.sh b/tools/travis/build.sh
index 0c39c5f..c8d72e7 100755
--- a/tools/travis/build.sh
+++ b/tools/travis/build.sh
@@ -53,7 +53,7 @@
 
 
 $ANSIBLE_CMD wipe.yml
-$ANSIBLE_CMD openwhisk.yml -e cli_installation_mode=remote
+$ANSIBLE_CMD openwhisk.yml -e cli_installation_mode=remote -e controllerProtocolForSetup=http
 
 # Set Environment
 export OPENWHISK_HOME=$WHISKDIR