new port libfreenect2

ports/libfreenect2/CONTROL

@@ -0,0 +1,4 @@
+Source: libfreenect2
+Version: 0.2.0
+Build-Depends:libusb
+Description: Open source drivers for the Kinect for Windows v2 device

ports/libfreenect2/portfile.cmake

@@ -0,0 +1,41 @@
+include(vcpkg_common_functions)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO OpenKinect/libfreenect2
+    REF v0.2.0
+    SHA512 3525e3f21462cecd3b198f64545786ffddc2cafdfd8146e5a46f0300b83f29f1ad0739618a07ab195c276149d7e2e909f7662e2d379a2880593cac75942b0666
+    HEAD_REF master
+)
+
+file(READ ${SOURCE_PATH}/cmake_modules/FindLibUSB.cmake FINDLIBUSB)
+string(REPLACE "(WIN32)"
+               "(WIN32_DISABLE)" FINDLIBUSB "${FINDLIBUSB}")
+file(WRITE ${SOURCE_PATH}/cmake_modules/FindLibUSB.cmake "${FINDLIBUSB}")
+
+file(READ ${SOURCE_PATH}/examples/CMakeLists.txt EXAMPLECMAKE)
+string(REPLACE "(WIN32)"
+               "(WIN32_DISABLE)" EXAMPLECMAKE "${EXAMPLECMAKE}")
+file(WRITE ${SOURCE_PATH}/examples/CMakeLists.txt "${EXAMPLECMAKE}")
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    OPTIONS
+        -DENABLE_CUDA=OFF
+)
+
+vcpkg_install_cmake()
+
+vcpkg_fixup_cmake_targets(CONFIG_PATH "lib/cmake/freenect2")
+
+vcpkg_copy_pdbs()
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+
+# The cmake config is actually called freenect2Config.cmake instead of libfreenect2Config.cmake ...
+file(RENAME ${CURRENT_PACKAGES_DIR}/share/libfreenect2 ${CURRENT_PACKAGES_DIR}/share/freenect2)
+
+# license file needs to be in share/libfreenect2 otherwise vcpkg will complain
+file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/share/libfreenect2/)
+file(COPY ${SOURCE_PATH}/GPL2 DESTINATION ${CURRENT_PACKAGES_DIR}/share/libfreenect2/)
+file(RENAME ${CURRENT_PACKAGES_DIR}/share/libfreenect2/GPL2 ${CURRENT_PACKAGES_DIR}/share/libfreenect2/copyright)