Reenable travis for CI

.travis.yml

@@ -158,24 +158,22 @@ matrix:
 
 
 
-    # Special builds, e.g. conan
-    - language: python
-      python:
-        - "3.7"
-      install:
-        - pip install conan-package-tools
-      env:
-        - CONAN_GCC_VERSIONS=8
-        - CONAN_DOCKER_IMAGE=conanio/gcc8
-        - CPP14=1
-      script:
-        - python .conan/build.py
+#    # Special builds, e.g. conan
+#    - language: python
+#      python:
+#        - "3.7"
+#      install:
+#        - pip install conan-package-tools
+#      env:
+#        - CONAN_GCC_VERSIONS=8
+#        - CONAN_DOCKER_IMAGE=conanio/gcc8
+#        - CPP14=1
+#      script:
+#        - python .conan/build.py
 
 before_script:
   - export CXX=${COMPILER}
   - cd ${TRAVIS_BUILD_DIR}
-  # Regenerate single header file, so it is tested in the examples...
-  - python tools/scripts/generateSingleHeader.py
 
   - |
     if [[ ${CPP17} -eq 1 ]]; then