Finished SecondPageView. Also removed remaining references to version 3
Merge branch 'SecondPageView'
Inherritance working. I created a "Navigator" class
Fixed some warnings
Adding Unit Testing Library project to solution
replaced visual assets.

to do resize photos
main page images cropped rectangularly
Did some more SW Modeling
Social buttons finished
Merge remote-tracking branch 'app/SocialButtons'
Merge remote-tracking branch 'app/MoreSWModeling'
Merge remote-tracking branch 'app/assets'