fgm/php__symfony__book: FGM's version of the code suggested in the SF4 book. @ 3fc96eff6feb789a0db6a6bf45aa9ed504db1729

Frederic G. MARAND 3fc96eff6f Bundles: adding a basic internal bundle.		%!s(int64=7) %!d(string=hai) anos
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packages	d230f127f7 Ch. 4: Using session data.	%!s(int64=7) %!d(string=hai) anos
routes	deeb7894a7 Ch. 2: profiler, twig.	%!s(int64=7) %!d(string=hai) anos
bundles.php	3fc96eff6f Bundles: adding a basic internal bundle.	%!s(int64=7) %!d(string=hai) anos
routes.yaml	3fc96eff6f Bundles: adding a basic internal bundle.	%!s(int64=7) %!d(string=hai) anos
services.yaml	3fc96eff6f Bundles: adding a basic internal bundle.	%!s(int64=7) %!d(string=hai) anos