BUG Avoid redirecting with duplicate ?locale param
BUG Avoid redirecting with duplicate ?locale param

CrackerjackDigital/silverstripe-translatable,dnadesign/silverstripe-translatable,tractorcow/silverstripe-translatable,JayDevlin/silverstripe-translatable,tractorcow/silverstripe-translatable,JayDevlin/silverstripe-translatable,CrackerjackDigital/silverstripe-translatable,tractorcow/silverstripe-translatable,dnadesign/silverstripe-translatable