First try at Appveyor MSI builds

.gitignore

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+*~

appveyor.yml

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+version: 1.0.{build}
+
+install:
+  - cmd: set PATH=%PYTHON_LOC%;%PYTHON_LOC%\Scripts;%PATH%
+  - cmd: pip install --egg scons
+  - cmd: pip install numpy cython
+
+build_script:
+  - cmd: set PATH=%PYTHON_LOC%;%PYTHON_LOC%\Scripts;%PATH%
+  - cmd: call build.bat
+
+environment:
+  matrix:
+    - PYTHON_LOC: C:\Python27
+      PY_VER: 2.7
+    - PYTHON_LOC: C:\Python36
+      PY_VER: 3.6
+    - PYTHON_LOC: C:\Python36-x64
+      PY_VER: 3.6

build.bat

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+@ECHO off
+
+IF %ARCH% EQU 64 (
+   CALL "%VS140COMNTOOLS%"\..\..\VC\bin\amd64\vcvars64.bat
+) ELSE (
+   CALL "%VS140COMNTOOLS%"\..\..\VC\bin\vcvars32.bat
+)
+
+:: The major version of Python being used
+SET PY_MAJ_VER=%PY_VER:~0,1%
+
+IF %PY_MAJ_VER% EQU 2 (
+   CALL pip install 3to2
+)
+
+:: Set the number of CPUs to use in building
+SET /A CPU_USE=%CPU_COUNT% / 2
+IF %CPU_USE% EQU 0 SET CPU_USE=1
+
+git clone https://github.com/Cantera/cantera.git
+cd cantera
+git checkout %CANTERA_TAG%
+
+:: Have to use CALL to prevent the script from exiting after calling SCons
+CALL scons clean
+
+:: Put important settings into cantera.conf for the build. Use VS 2015 to
+:: compile the interface.
+ECHO msvc_version='14.0' >> cantera.conf
+ECHO matlab_toolbox='n' >> cantera.conf
+ECHO debug='n' >> cantera.conf
+ECHO f90_interface='n' >> cantera.conf
+ECHO system_sundials='n' >> cantera.conf
+
+SET "ESC_PREFIX=%PREFIX:\=/%"
+ECHO boost_inc_dir="%ESC_PREFIX%/Library/include" >> cantera.conf
+
+CALL scons build -j%CPU_USE% python_package=y python_cmd="%PYTHON%"
+CALL scons msi