Unkown props warning

[GeorgeStrakhov]

Getting this error in the console on fresh clone and run:

modules.js:21394 Warning: Unknown props `customClasses`, `history`, `location`, `params`, `route`, `routeParams`, `routes`, `leftButton`, `rightButton` on <span> tag. Remove these props from the element. For details, see https://fb.me/react-unknown-prop
    in span (created by ReactTransitionGroup)
    in ReactTransitionGroup (created by ReactCSSTransitionGroup)
    in ReactCSSTransitionGroup (created by RouteCSSTransitionGroup)
    in RouteCSSTransitionGroup (created by IonNavBar)
    in div (created by IonNavBar)
    in IonNavBar (created by Auth)
    in div (created by Auth)
    in Auth (created by RouterContext)
    in App (created by MeteorDataContainer)
    in MeteorDataContainer (created by RouterContext)
    in div (created by IonBody)
    in IonBody (created by Body)
    in Body (created by RouterContext)
    in RouterContext (created by Router)
    in Router

[GeorgeStrakhov]

Looks like it's related to this: pors/reactionic#66