message: use make to guide travis testing build
diff: @@ -11,4 +11,4 @@ before_install:
  - gcc --version && g++ --version
  - sudo apt-get install -qq bc samtools parallel
  script:
  - - cmake -H. -Bbuild && cmake --build build -- -j 4 && make test
  + - make -j4 && make -j4 test
  