[CMake] Update formatting and add copy right note

CMakeLists.txt

@@ -1,19 +1,26 @@
-cmake_minimum_required(VERSION 3.5)
-project(boost-mpl)
+# Copyright 2018 Mike Dev
+# Distributed under the Boost Software License, Version 1.0.
+# See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
+#
+# NOTE: CMake support for Boost.Mpl is currently experimental at best
+#       and the interface is likely to change in the future
 
-add_library(boost_mpl INTERFACE)
-add_library(Boost::mpl ALIAS boost_mpl)
+cmake_minimum_required( VERSION 3.5 )
+project( BoostMpl LANGUAGES CXX )
 
-target_include_directories(boost_mpl INTERFACE include)
+add_library( boost_mpl INTERFACE )
+add_library( Boost::mpl ALIAS boost_mpl )
 
-target_link_libraries(boost_mpl
-	INTERFACE
-		Boost::config
-		Boost::core
-		Boost::predef
-		Boost::preprocessor
-		Boost::static_assert
-		Boost::type_traits
-		Boost::utility
+target_include_directories( boost_mpl INTERFACE include )
+
+target_link_libraries( boost_mpl
+    INTERFACE
+        Boost::config
+        Boost::core
+        Boost::predef
+        Boost::preprocessor
+        Boost::static_assert
+        Boost::type_traits
+        Boost::utility
 )