Stopped deriving temp navigator from props
Stopped deriving temp navigator from props

Will Navigate takes care of both scenarios:
1. Navigate 2 at once A (-> B) -> C. When gesturing/pressing back will navigate and setState is called to initialise state on B
2. Change history from A-> B -> C to A -> D -> C. When gesturing/pressing back will navigate and setState is called to update state on D

grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation