First commit attempting to test appveyor CI

appveyor.yml

+
+version: 1.0.{build}
+
+skip_branch_with_pr: true
+
+os: Visual Studio 2015
+
+platform:
+  - x86
+
+build_script:
+- cmd: ctest.exe -VV -S scripts/appveyor/av_default.cmake -Ddashboard_full=ON -DCTEST_BUILD_NAME=%APPVEYOR_PULL_REQUEST_HEAD_REPO_BRANCH%_%APPVEYOR_BUILD_NUMBER%_msvc

scripts/appveyor/av_default.cmake

+# Client maintainer: chuck.atkins@kitware.com
+set(CTEST_SITE "AppVeyor")
+set(CTEST_BUILD_CONFIGURATION Release)
+set(CTEST_CMAKE_GENERATOR "Visual Studio 14 2015 Win64")
+# set(CTEST_BUILD_FLAGS "-k -j4")
+set(CTEST_TEST_ARGS PARALLEL_LEVEL 4)
+
+set(dashboard_model Experimental)
+set(dashboard_binary_name "build_visual-studio")
+set(dashboard_track "Continuous Integration")
+
+set(CTEST_GIT_COMMAND "git.exe")
+set(CTEST_UPDATE_VERSION_ONLY TRUE)
+set(CTEST_SOURCE_DIRECTORY "$ENV{APPVEYOR_BUILD_FOLDER}")
+set(CTEST_DASHBOARD_ROOT "C:/projects/adios2build")
+
+# set(ENV{CC}  gcc)
+# set(ENV{CXX} g++)
+# set(ENV{FC}  gfortran)
+
+set(dashboard_cache "
+ADIOS2_USE_ADIOS1:STRING=OFF
+ADIOS2_USE_BZip2:STRING=OFF
+ADIOS2_USE_DataMan:STRING=OFF
+ADIOS2_USE_Fortran:STRING=OFF
+ADIOS2_USE_HDF5:STRING=OFF
+ADIOS2_USE_MPI:STRING=OFF
+ADIOS2_USE_Python:STRING=OFF
+ADIOS2_USE_ZFP:STRING=OFF
+ADIOS2_USE_ZeroMQ:STRING=OFF
+")
+
+include(${CMAKE_CURRENT_LIST_DIR}/../dashboard/adios_common.cmake)