Update HttpFoundation note after recent changes in routing component#5678

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senkal wants to merge 2 commits intosymfony:2.3from

senkal:update-http-foundation-note-routing-component

Commits on Sep 8, 2015

Update HttpFoundation note to reflect recent changes- remove $_SERVER[REQUEST_URI] from examples
Marcin Sekalski
committed

Commits on Sep 11, 2015

Update HttpFoundation note
Marcin Sekalski
committed