updated the comments added CommentModel
updated CommentView background, updated AppBar on CommentView page and MainPage.
updated pictures. Pictures from Rosie's Bar are missing because I couldnt find anything. Also Rockmuseum pictures are missing because it is still under construction and Childrens Museum muserum pictures because I dont know what Adriano had in mind with this one.
updated addComment method with UserRating.ToString and UserComment
comment adding is enabled but commentlist does not refresh
added textblock_averagerating, it is working
added another textbox saying " Average Rating" right to the venue name and above average rating
minor change to packagemanifest
CommentView almost finished
Merge remote-tracking branch 'touristappv3/JacobsCommentStuff' into Newest_master_branch

Conflicts:
	TouristAppV3.csproj
	View/GenericView.xaml
	View/MainPage.xaml.cs