some code cleanup
some code cleanup

mobxjs/mobx,ryanbraganza/MOBservable,sandals/mobservable,andykog/mobx,andykog/mobservable,sandals/mobservable,romseguy/mobservable,ryanbraganza/MOBservable,mobxjs/mobx,sandals/mobservable,mobxjs/mobx,mweststrate/MOBservable,mweststrate/MOBservable,ryanbraganza/MOBservable,dschalk/mobservable,mweststrate/MOBservable,andykog/mobservable,romseguy/mobservable,romseguy/mobservable,dschalk/mobservable,mobxjs/mobx,andykog/mobx,dschalk/mobservable