Bug fix of ResourceManager   - invalid return of GetStartResource()
Bug fix of ResourceManager
  - invalid return of GetStartResource()

Change-Id: Ie175bf4e96ad84a7947ef4a3ff1c9d54a107ad0f

sung-su/crosswalk-tizen,YongseopKim/crosswalk-tizen,sung-su/crosswalk-tizen,myroot/crosswalk-tizen,hgl888/crosswalk-tizen,sung-su/crosswalk-tizen,myroot/crosswalk-tizen,YongseopKim/crosswalk-tizen,WonyoungChoi/crosswalk-tizen,WonyoungChoi/crosswalk-tizen,sung-su/crosswalk-tizen,hgl888/crosswalk-tizen,psikorski/crosswalk-tizen,psikorski/crosswalk-tizen,WonyoungChoi/crosswalk-tizen,hgl888/crosswalk-tizen,psikorski/crosswalk-tizen,YongseopKim/crosswalk-tizen,psikorski/crosswalk-tizen,myroot/crosswalk-tizen,myroot/crosswalk-tizen,YongseopKim/crosswalk-tizen,hgl888/crosswalk-tizen,WonyoungChoi/crosswalk-tizen