Disable examples that use C++11 features.

Author: vprus

example/Jamfile.v2

@@ -13,6 +13,9 @@ exe custom_syntax : custom_syntax.cpp ;
 exe real : real.cpp ;
 exe regex : regex.cpp /boost/regex//boost_regex ;
 
-exe config_file_types : config_file_types.cpp ;
-exe env_options : env_options.cpp ;
-exe options_heirarchy : options_heirarchy.cpp ;
+# The following examples use C++ features beyond C++03.
+# It would be possible to make compilation of each conditional on specific config check,
+# for now just disable the compilation.
+#exe config_file_types : config_file_types.cpp ;
+#exe env_options : env_options.cpp ;
+#exe options_heirarchy : options_heirarchy.cpp ;