Remove displayed state
Remove displayed state

This “state” thing is confusing enough without an useless fourth state.

Also in this commit:
- Conditions in preload ordered in states’ chronological order
- Use currentLocationWithoutHash to check if InstantClick hasn’t been initialized already (so that we gain in minified file size)

sherlock221/instantclick,shizhua/instantclick,nishant8BITS/instantclick,Gizeta/instantclick,EagerApps/instantclick,dieulot/instantclick,alexlur/snap,blahgeek/instantclick,misog/instantclick,shizhua/instantclick,dmitrylakhno/trueinstantclick,blahgeek/instantclick,dieulot/instantclick,Gizeta/instantclick,alexlur/snap,misog/instantclick,Gizeta/instantclick,sherlock221/instantclick,blahgeek/instantclick,misog/instantclick,nishant8BITS/instantclick,dieulot/instantclick,TBRSS/instantclick,EagerApps/instantclick,shizhua/instantclick,alexlur/snap,TBRSS/instantclick,alexlur/snap,TBRSS/instantclick,EagerApps/instantclick,sherlock221/instantclick