Disable CI for the moment

.gitlab-ci.yml

-image: rikorose/gcc-cmake
-
-before_script:
-  - apt-get update -qq && apt-get install -y -qq cppcheck vera++ clang-tidy-4.0
-  - g++ --version
-  - cppcheck --version
-  - vera++ --version
-  - clang-tidy-4.0 --version
-  - cp ci/vera.profile /usr/lib/vera++/profiles/custom
-
-build:
-  script:
-    - cmake . -DCMAKE_CXX_FLAGS="-Werror"
-    - make -j4
-    - make clean
-    - cmake . -DCMAKE_CXX_FLAGS="-Wall -Wextra" # Build again, but with more warnings
-    - make -j4
-
-cppcheck:
-  script:
-    - bash -x ci/cppcheck.sh
-
-vera:
-  script:
-    - bash -x ci/vera.sh
-
-clang-tidy:
-  script:
-    - bash -x ci/clang-tidy.sh