Backport smaller state representation to 4.6#8273

Merged

epixa merged 2 commits intoelastic:4.6from spalger:backport/4.6/smallerState

Oct 11, 2016

+1,554-199

Commits on Oct 11, 2016

[stub/BrowserStorage] reimplement and test the BrowserStorage stub
spalger
committed
[state] store url states into session storage
spalger
committed