Improved QA script of the Travis CI build configuration, continued
Improved QA script of the Travis CI build configuration, continued

- Forced clean termination (always return 0) to prevent accidental
  failures (i.e., unexpected error codes leaked) like the one in
  build #42 (see
  https://travis-ci.org/SmartDeveloperHub/sdh-maven/builds/115993691)

SmartDeveloperHub/sdh-maven