refactor(StateHandler): rename stateHandler to stateHooks, move $state's hook registration logic to renamed StateHooks class
refactor(StateHandler): rename stateHandler to stateHooks, move $state's hook registration logic to renamed StateHooks class

wawyed/ng2,mattlewis92/ui-router,2947721120/angular-ui,ui-router/angular,ui-router/angular,ui-router/core,TechNaturally/ui-router,2947721120/angular-ui,ui-router/ng2,ui-router/core,TechNaturally/ui-router,wawyed/ng2,ui-router/angular,mattlewis92/ui-router,codersongs/codersongs.github.io,codersongs/codersongs.github.io,fpipita/ui-router,angular-ui/ui-router,angular-ui/ui-router,fpipita/ui-router,angular-ui/ui-router,fpipita/ui-router,wawyed/ng2,ui-router/angular,ui-router/ng2,2947721120/angular-ui