replaced format_config.hpp by macros_stl.hpp and macros_default.hpp, and began switching to 'angle includes'

[SVN r16502]

libs/format

@@ -1 +1 @@
-Subproject commit 103fd4690f5a9ff953077fabcca244ec81b84ee8
+Subproject commit 10b4f55cdc1a5270cbef6dc6cbfd98cdbd0b3039