Add Welcome view.
Add Welcome view.

philipyoo/GorillaSurvey,knosis/GorillaSurvey,dknittel/GorillaSurvey,knosis/GorillaSurvey,philipyoo/GorillaSurvey,dknittel/GorillaSurvey,dknittel/GorillaSurvey,philipyoo/GorillaSurvey,knosis/GorillaSurvey