CI: added appveyor build of SITL for MissionPlanner

Tools/scripts/build_appveyor.sh

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+#!/bin/bash
+# script to build 32 bit cygwin binaries for SITL
+
+export PATH="/usr/local/bin:/usr/bin:/bin"
+export PATH
+
+set -x
+
+cd /cygdrive/c/work
+
+# build for 32 bit target
+CXX=i686-pc-cygwin-g++.exe CC=i686-pc-cygwin-gcc ./waf configure --board sitl
+
+(
+    date
+    git submodule update --init --recursive -f
+
+    /usr/bin/python waf -j4 copter plane rover heli sub
+
+    # map to the names that MissionPlanner expects
+    cp /cygdrive/c/work/build/sitl/bin/ardurover.exe /cygdrive/c/work/sitl/APMrover2.elf
+    cp /cygdrive/c/work/build/sitl/bin/arduplane.exe /cygdrive/c/work/sitl/ArduPlane.elf
+    cp /cygdrive/c/work/build/sitl/bin/arducopter.exe /cygdrive/c/work/sitl/ArduCopter.elf
+    cp /cygdrive/c/work/build/sitl/bin/arducopter-heli.exe /cygdrive/c/work/sitl/ArduHeli.elf
+    cp /cygdrive/c/work/build/sitl/bin/ardusub.exe /cygdrive/c/work/sitl/ArduSub.elf
+
+    cp /usr/i686-pc-cygwin/sys-root/usr/bin/*.dll /cygdrive/c/work/sitl/
+
+    cd /cygdrive/c/work/sitl/
+    git log -1 > git.txt
+    ls
+) > /cygdrive/c/work/sitl/build.txt 2>&1
+
+

appveyor.yml

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+version: 1.0.{build}
+image: Visual Studio 2017 Preview
+clone_depth: 1
+clone_folder: C:\work\
+init:
+- cmd: git config --global core.autocrlf false
+environment:
+  CYG_ROOT: C:\cygwin64
+  CYG_SETUP: setup-x86_64.exe
+install:
+- cmd: >-
+
+    curl -o setup-cygwin.exe https://www.cygwin.com/%CYG_SETUP%
+
+    setup-cygwin.exe --quiet-mode --no-shortcuts --only-site -R "%CYG_ROOT%" -P gcc-g++,git,procps,libexpat,python,python-setuptools,cygwin32-gcc-g++
+
+    dir %CYG_ROOT%
+    dir %CYG_ROOT%\bin
+
+    %CYG_ROOT%\bin\bash.exe -l -c "/usr/bin/easy_install-2.7 future"
+
+build_script:
+- cmd: >-
+    cd C:\work
+    
+    mkdir c:\work\sitl
+    
+    cd c:\work
+    
+    %CYG_ROOT%\bin\sh.exe /cygdrive/c/work/Tools/scripts/build_appveyor.sh
+    
+    cd c:\work\sitl
+    
+    7z a C:\work\sitl.zip *
+test: off
+artifacts:
+- path: sitl.zip
+  name: sitl