Fix Appveyor CI runs (#14)

Author: apolukhin

test/appveyor.yml

@@ -61,11 +61,11 @@ before_build:
     - set BOOST=C:/boost-local
     - git clone -b %BOOST_BRANCH% --depth 10 https://github.com/boostorg/boost.git %BOOST%
     - cd %BOOST%
-    - git submodule update --init --depth 10 tools/build tools/boostdep libs/unordered # Boost.TypeIndex examples need Boost.Unordered
+    - git submodule update --init --depth 10 tools/build tools/boostdep
 
     - rm -rf %BOOST%/libs/%BOOST_LIBS_FOLDER%
     - mv -f %APPVEYOR_BUILD_FOLDER% %BOOST%/libs/%BOOST_LIBS_FOLDER%
-    - python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 2" %BOOST_LIBS_FOLDER%
+    - python tools/boostdep/depinst/depinst.py --include examples --git_args "--depth 10 --jobs 2" %BOOST_LIBS_FOLDER%
 
 build_script:
     - cmd /c bootstrap