fixed #5544 - Move Help page for plugin turnrestrictions
fixed #5522 - Plug-in turn restriction is adding the wrong part of a splitted "to"-way to the relation
fixed #5308 - wrong traffic sign in icon set 'B'
fixed #4931 - U-turn restrictions created with turn restriction plugin are missing via role
fixed #4855 - turnrestrictions plugin: some issues
Updated I18n related messages - translators should follow up and check the translations on Launchpad