Refactoring
added struct for social networks
jquery.data for validation tips
Merge branch 'master' of https://github.com/ArtemZag/academy13

Conflicts:
	BinaryStudio.PhotoGallery.Core/BinaryStudio.PhotoGallery.Core.csproj
	BinaryStudio.PhotoGallery.Web/BinaryStudio.PhotoGallery.Web.csproj