Removed early build failure from Travis script
Removed early build failure from Travis script

- The Travis build kept failing despite the build exiting with 0.
- I think the "set -e" command was causing an error in some unknown subprocess. Hopefully removing it fixes the build errors.

ibm-bluemix-mobile-services/bms-clientsdk-swift-analytics-api,ibm-bluemix-mobile-services/bms-clientsdk-swift-analytics-api,ibm-bluemix-mobile-services/bms-clientsdk-swift-analytics-api