fgm/php__symfony__book: FGM's version of the code suggested in the SF4 book. @ c795a31ba4854259b13f5a2fcfe4c3e73f8aefe3

Frederic G. MARAND c795a31ba4 Ch. 5: using template parameters, twig 'extends', overriding bundle templates.		7 lat temu
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WebProfilerBundle	c795a31ba4 Ch. 5: using template parameters, twig 'extends', overriding bundle templates.	7 lat temu