Initial scripts for automating Windows builds

devtools/packaging/scripts/windows/Vagrantfile

+Vagrant.configure("2") do |config|
+  config.vm.box = "gusztavvargadr/windows10ee"
+  config.vm.provision :shell, path: "prepare.ps1"
+
+  config.vm.provider :virtualbox do |vb|
+    vb.customize ["modifyvm", :id, "--memory", "2048"]
+    vb.customize ["modifyvm", :id, "--cpus", "2"]
+    vb.customize ["modifyvm", :id, "--ioapic", "on"]
+  end  
+end

devtools/packaging/scripts/windows/build.bat

+REM "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
+
+cd openmm
+mkdir build
+cd build
+
+set FFTW=C:\Program Files\Miniconda3\pkgs\fftw3f-3.3.4-vc14_2\Library
+"C:\Program Files\CMake\bin\cmake.exe" .. -G "NMake Makefiles JOM" -DCMAKE_BUILD_TYPE=Release -DOPENMM_GENERATE_API_DOCS=ON -DFFTW_INCLUDES="%FFTW%/include" -DFFTW_LIBRARY="%FFTW%/lib/libfftw3f-3.lib"
+
+jom
+jom PythonInstall
+jom C++ApiDocs
+jom PythonApiDocs
+# jom sphinxpdf
+jom install
+jom PythonBdist

devtools/packaging/scripts/windows/prepare.ps1

+cd C:\Users\vagrant
+
+# Install everything we can with choco.
+
+choco install -y doxygen.portable swig cmake doxygen.install vcbuildtools git jom
+
+# Install CUDA.
+
+wget https://developer.nvidia.com/compute/cuda/8.0/prod/network_installers/cuda_8.0.44_win10_network-exe -UseBasicParsing -OutFile cuda_8.0.44_win10_network.exe
+.\cuda_8.0.44_win10_network.exe -s compiler_8.0 cudart_8.0 cufft_8.0 cufft_dev_8.0 nvrtc_8.0 nvrtc_dev_8.0 | Out-Null
+
+# Install Miniconda.
+
+wget https://repo.continuum.io/miniconda/Miniconda3-latest-Windows-x86_64.exe -UseBasicParsing -OutFile Miniconda3-latest-Windows-x86_64.exe
+Start-Process -Wait -FilePath Miniconda3-latest-Windows-x86_64.exe -ArgumentList '/S'
+
+# Install software with conda.
+
+& "C:\Program Files\Miniconda3\Scripts\conda.exe" install -y -c omnia fftw3f jinja2 lxml sphinx sphinxcontrib-autodoc_doxygen sphinxcontrib-lunrsearch
+& "C:\Program Files\Miniconda3\Scripts\pip.exe" install sphinxcontrib.bibtex
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