Minor update.

Author: tatsy

.travis.yml

@@ -5,36 +5,18 @@ compiler:
   - gcc
 
 before_install:
-  - echo "Before install"
-  # - sudo apt-get install -y xorg-dev libglu1-mesa-dev
-  # - sudo apt-get install -y libxmu-dev libxi-dev
-  # - sudo apt-get install -y python3 python3-pip
-  # - git clone https://github.com/glfw/glfw.git
-  # - cd glfw && mkdir build && cd build
-  # - cmake .. && make && sudo make install
-  # - cd ../..
-  # - git clone https://github.com/g-truc/glm.git
-  # - cd glm && git checkout 0.9.9.5
-  # - mkdir build && cd build
-  # - cmake -DBUILD_STATIC_LIBS=OFF -DBUILD_SHARED_LIBS=OFF -DGLM_TEST_ENABLE=OFF ..
-  # - make && sudo make install
-  # - cd ../..
-
-script:
-  - echo "Script"
-  # - mkdir build && cd build
-  # - cmake .. && cmake --build .
-  # - cd ..
-
-after_success:
   - git config --global user.name "Travis CI"
   - git config --global user.email "[email protected]"
   - git submodule update --init -- "_site"
   - cd _site
   - git checkout gh-pages
   - cd ..
   - bundle install
-  - jekyll build
+
+script:
+  - jekyll build --trace
+
+after_success:
   - cd _site
   - git add --all
   - git commit -m "Commit from Travis CI for build $TRAVIS_BUILD_NUMBER ."