improving the documentation
parametrable user-manual url and contact url/mailto
adding code comments
refactoring : symfony convention + removing second  definition
Color Legend in bottom
Refactoring PlaceController:viewAction (removing )
PlaceController:listByCityAction : cosmetic refactoring (psr-2)
PlaceController:changeAction : cosmetic refactoring (psr-2)
debug : faute de frappe
Removing PlaceController:placeManagerFormAction
PlaceController:confirmUserAction - cosmestic changes (psr-2 coding standard)
refactoring : removing uselesscode
Refactoring : removing useless spaces
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