Merge branch 'improve-ci' into 'master'

remove mscv 2015 from ci and use cuda 9.0 in ubuntu 16.04

Closes #79

See merge request walberla/walberla!162

.gitlab-ci.yml

@@ -9,7 +9,7 @@ stages:
    - test
    - deploy
 
-
+   
 ###############################################################################
 ##                                                                           ##
 ##    Build templates                                                        ##
@@ -1205,7 +1205,7 @@ doc:
       - docker
    artifacts:
       paths:
-         - build/doc
+        - build/doc
       expire_in: 1 weeks
 
 
@@ -1285,13 +1285,13 @@ coverage:
 
 
 
-      ###############################################################################
-      ##                                                                           ##
-      ##    Windows Builds                                                         ##
-      ##                                                                           ##
-      ###############################################################################
-
-
+###############################################################################
+##                                                                           ##
+##    Windows Builds                                                         ##
+##                                                                           ##
+###############################################################################
+      
+     
 .win_build_template: &win_build_definition
    tags:
       - win
@@ -1308,98 +1308,6 @@ coverage:
       - ctest -LE $CTEST_EXCLUDE_LABELS -C $BUILD_CONFIGURATION --output-on-failure -j 4
 
 
-msvc-14_Hybrid_Dbg:
-   <<: *win_build_definition
-   variables:
-      CMAKE_GENERATOR: "Visual Studio 14 2015 Win64"
-      BUILD_CONFIGURATION: "DebugOptimized"
-      CTEST_EXCLUDE_LABELS: "longrun"
-      WALBERLA_BUILD_WITH_MPI: "ON"
-      WALBERLA_BUILD_WITH_OPENMP: "ON"
-      WALBERLA_DOUBLE_ACCURACY: "ON"
-   except:
-      variables:
-         - $DISABLE_PER_COMMIT_BUILDS
-
-msvc-14_Hybrid_SP_Dbg:
-   <<: *win_build_definition
-   variables:
-      CMAKE_GENERATOR: "Visual Studio 14 2015 Win64"
-      BUILD_CONFIGURATION: "DebugOptimized"
-      CTEST_EXCLUDE_LABELS: "longrun"
-      WALBERLA_BUILD_WITH_MPI: "ON"
-      WALBERLA_BUILD_WITH_OPENMP: "ON"
-      WALBERLA_DOUBLE_ACCURACY: "OFF"
-   only:
-      variables:
-         - $ENABLE_NIGHTLY_BUILDS
-
-msvc-14_Hybrid:
-   <<: *win_build_definition
-   variables:
-      CMAKE_GENERATOR: "Visual Studio 14 2015 Win64"
-      BUILD_CONFIGURATION: "Release"
-      CTEST_EXCLUDE_LABELS: "longrun"
-      WALBERLA_BUILD_WITH_MPI: "ON"
-      WALBERLA_BUILD_WITH_OPENMP: "ON"
-      WALBERLA_DOUBLE_ACCURACY: "ON"
-   only:
-      variables:
-         - $ENABLE_NIGHTLY_BUILDS
-
-msvc-14_Serial_Dbg:
-   <<: *win_build_definition
-   variables:
-      CMAKE_GENERATOR: "Visual Studio 14 2015 Win64"
-      BUILD_CONFIGURATION: "DebugOptimized"
-      CTEST_EXCLUDE_LABELS: "longrun"
-      WALBERLA_BUILD_WITH_MPI: "OFF"
-      WALBERLA_BUILD_WITH_OPENMP: "OFF"
-      WALBERLA_DOUBLE_ACCURACY: "ON"
-   only:
-      variables:
-         - $ENABLE_NIGHTLY_BUILDS
-
-msvc-14_Serial:
-   <<: *win_build_definition
-   variables:
-      CMAKE_GENERATOR: "Visual Studio 14 2015 Win64"
-      BUILD_CONFIGURATION: "Release"
-      CTEST_EXCLUDE_LABELS: "longrun"
-      WALBERLA_BUILD_WITH_MPI: "OFF"
-      WALBERLA_BUILD_WITH_OPENMP: "OFF"
-      WALBERLA_DOUBLE_ACCURACY: "ON"
-   only:
-      variables:
-         - $ENABLE_NIGHTLY_BUILDS
-
-msvc-14_MpiOnly_Dbg:
-   <<: *win_build_definition
-   variables:
-      CMAKE_GENERATOR: "Visual Studio 14 2015 Win64"
-      BUILD_CONFIGURATION: "DebugOptimized"
-      CTEST_EXCLUDE_LABELS: "longrun"
-      WALBERLA_BUILD_WITH_MPI: "ON"
-      WALBERLA_BUILD_WITH_OPENMP: "OFF"
-      WALBERLA_DOUBLE_ACCURACY: "ON"
-   only:
-      variables:
-         - $ENABLE_NIGHTLY_BUILDS
-
-msvc-14_MpiOnly:
-   <<: *win_build_definition
-   variables:
-      CMAKE_GENERATOR: "Visual Studio 14 2015 Win64"
-      BUILD_CONFIGURATION: "Release"
-      CTEST_EXCLUDE_LABELS: "longrun"
-      WALBERLA_BUILD_WITH_MPI: "ON"
-      WALBERLA_BUILD_WITH_OPENMP: "OFF"
-      WALBERLA_DOUBLE_ACCURACY: "ON"
-   only:
-      variables:
-         - $ENABLE_NIGHTLY_BUILDS
-
-
 msvc-14.1_Hybrid_Dbg:
    <<: *win_build_definition
    variables:
@@ -1587,7 +1495,7 @@ mac_MpiOnly:
    dependencies: []
    when: manual
    only:
-      - master@walberla/walberla
+      - master@walberla/walberla   
       - tags@walberla/walberla
 
 conda-py36-win:
@@ -1596,7 +1504,7 @@ conda-py36-win:
       - win
    script:
       - conda build --python=3.6 --user=lssfau utilities\\conda\\walberla
-
+      
 conda-py37-win:
    <<: *conda_deploy_definition
    tags:
@@ -1613,7 +1521,7 @@ conda-py37-linux:
       - apt-get update
       - apt-get install -y build-essential
       - conda build --python=3.7 --user=lssfau utilities/conda/walberla
-
+      
 conda-py36-linux:
    <<: *conda_deploy_definition
    tags: