Code cleanup - index.js
Code cleanup - index.js

Added /*eslint-disable no-unused-vars*/ comment to disable  the no-unused variable error triggered by nextState variable in componentWillUpdate.
Removed the update of this.currentState and this.currentRoutes - replaced with the call to this.getCurrentRoute(props)
alliance-genome/agr_prototype,nathandunn/agr,alliance-genome/agr,nathandunn/agr,alliance-genome/agr,alliance-genome/agr,alliance-genome/agr_prototype,nathandunn/agr,alliance-genome/agr,nathandunn/agr