iOS: fixed #774 (story page position after activating)
iOS: fixed #774 (story page position after activating)

Now re-activates without story page glitches, and handles rotation
while inactive properly.

samuelclay/NewsBlur,manderson23/NewsBlur,mihaip/NewsBlur,manderson23/NewsBlur,nriley/NewsBlur,dosiecki/NewsBlur,dosiecki/NewsBlur,manderson23/NewsBlur,mihaip/NewsBlur,mihaip/NewsBlur,manderson23/NewsBlur,samuelclay/NewsBlur,samuelclay/NewsBlur,nriley/NewsBlur,manderson23/NewsBlur,AlphaCluster/NewsBlur,samuelclay/NewsBlur,samuelclay/NewsBlur,dosiecki/NewsBlur,manderson23/NewsBlur,AlphaCluster/NewsBlur,nriley/NewsBlur,nriley/NewsBlur,mihaip/NewsBlur,AlphaCluster/NewsBlur,AlphaCluster/NewsBlur,samuelclay/NewsBlur,mihaip/NewsBlur,samuelclay/NewsBlur,nriley/NewsBlur,AlphaCluster/NewsBlur,samuelclay/NewsBlur,manderson23/NewsBlur,nriley/NewsBlur,dosiecki/NewsBlur,dosiecki/NewsBlur,manderson23/NewsBlur,mihaip/NewsBlur,dosiecki/NewsBlur,samuelclay/NewsBlur,AlphaCluster/NewsBlur,nriley/NewsBlur,AlphaCluster/NewsBlur,samuelclay/NewsBlur,dosiecki/NewsBlur,nriley/NewsBlur,samuelclay/NewsBlur,AlphaCluster/NewsBlur,mihaip/NewsBlur,manderson23/NewsBlur,dosiecki/NewsBlur,mihaip/NewsBlur,AlphaCluster/NewsBlur,mihaip/NewsBlur,mihaip/NewsBlur,manderson23/NewsBlur,dosiecki/NewsBlur,dosiecki/NewsBlur,AlphaCluster/NewsBlur