Add CMake build system

Add CMake build system for libraries, tests and samples
update_files.py converts build/files into CMake format.
build/update-setup-h has been modified to update build/cmake/setup.h.in.

build/cmake/install.cmake

@@ -0,0 +1,49 @@
+#############################################################################
+# Name:        build/cmake/install.cmake
+# Purpose:     Install target CMake file
+# Author:      Tobias Taschner
+# Created:     2016-10-17
+# Copyright:   (c) 2016 wxWidgets development team
+# Licence:     wxWindows licence
+#############################################################################
+
+if(NOT wxBUILD_INSTALL)
+    return()
+endif()
+
+install(CODE "message(STATUS \"Installing: Headers...\")")
+wx_install(
+    DIRECTORY "${wxSOURCE_DIR}/include/wx"
+    DESTINATION "include")
+if(MSVC)
+    wx_install(
+        DIRECTORY "${wxSOURCE_DIR}/include/msvc"
+        DESTINATION "include")
+endif()
+if(MSVC OR MINGW)
+    wx_install(
+        DIRECTORY "${wxSETUP_HEADER_PATH}"
+        DESTINATION "lib${wxPLATFORM_LIB_DIR}")
+endif()
+
+# uninstall target
+if(MSVC_IDE)
+    set(UNINST_NAME UNINSTALL)
+else()
+    set(UNINST_NAME uninstall)
+endif()
+
+if(NOT TARGET ${UNINST_NAME})
+    configure_file(
+        "${wxSOURCE_DIR}/build/cmake/uninstall.cmake.in"
+        "${wxBINARY_DIR}/uninstall.cmake"
+        IMMEDIATE @ONLY)
+
+    add_custom_target(${UNINST_NAME}
+        COMMAND ${CMAKE_COMMAND} -P ${wxBINARY_DIR}/uninstall.cmake)
+    get_property(PREDEF_FOLDER GLOBAL PROPERTY PREDEFINED_TARGETS_FOLDER)
+    if(NOT PREDEF_FOLDER)
+        set(PREDEF_FOLDER "CMakePredefinedTargets")
+    endif()
+    set_target_properties(${UNINST_NAME} PROPERTIES FOLDER "${PREDEF_FOLDER}")
+endif()