Add docs about console question answer normalizing.#7125

Closed

SpacePossum wants to merge 3 commits intosymfony:2.8from

SpacePossum:2_8_Question_Helper_add_normalizer_sample

Commits on Nov 8, 2016

Add docs about console question answer normalizing.
SpacePossum
committed

Commits on Nov 10, 2016

Update questionhelper.rst
SpacePossum
authored

Commits on Nov 21, 2016

Minor rewords in the text and the code example
javiereguiluz
authored