Updated appveyor with yaml-cpp dependency

.appveyor.yml

@@ -111,12 +111,16 @@ install:
  - ECHO "Installed cvsba:"
  - ps: "ls \"C:/Program Files/cvsba\""
  - set PATH=%PATH%;C:\Program Files\cvsba\bin
+ - ps: wget 'https://dl.dropboxusercontent.com/s/22qfvftwj6zq8tj/yaml-cpp_x64_vc14.exe?dl=0' -outfile yaml-cpp.exe
+ - cmd: cvsba.exe -o"C:\Program Files" -y
+ - ECHO "Installed yaml-cpp:"
+ - ps: "ls \"C:/Program Files/yaml-cpp\""
 
 before_build:
  - cd c:\projects\rtabmap\build
  - ECHO %PROGRAMFILES%
  - ECHO %PATH%
- - cmake -G "Visual Studio 14 2015 Win64" -DOpenCV_DIR="C:\Program Files\opencv\build" -DPCL_DIR="C:\Program Files\PCL\cmake" -DCPUTSDF_DIR="C:\Program Files\cpu_tsdf\share\cpu_tsdf" -Dcvsba_DIR="C:\Program Files\cvsba\lib\cmake" -DBUILD_AS_BUNDLE=ON ..
+ - cmake -G "Visual Studio 14 2015 Win64" -DOpenCV_DIR="C:\Program Files\opencv\build" -DPCL_DIR="C:\Program Files\PCL\cmake" -DCPUTSDF_DIR="C:\Program Files\cpu_tsdf\share\cpu_tsdf" -Dcvsba_DIR="C:\Program Files\cvsba\lib\cmake" -Dyaml-cpp_DIR="C:\Program Files\yaml-cpp\CMake" -DBUILD_AS_BUNDLE=ON ..
 
 after_build :
  - cmake --build . --config Release --target package