message: ignore has changes if error code is 1
diff: @@ -50,9 +50,8 @@ install:
  - git remote set-branches --add origin $STABLE_BRANCH
  - git fetch
  - ./build-all
  - - ./has_changes.sh api && cd api && make api && cd ..
  - - ./has_changes.sh app && cd app && make app
  - - if $STABLE_BRANCH
  + - ./has_changes.sh api 2>/dev/null && cd api && make api && cd ..
  + - ./has_changes.sh app 2>/dev/null && cd app && make app
  script:
  # - nosetests --with-coverage
  