Merge with DenisBrunch
Merge branch 'DenisBranch' of https://github.com/DzianisPasiukou/ProjectForEpam into MyBranch
Fixed bug with Logout
Fixed bug with Registration and authorization
commit.
Merge branch 'ValikBranch' of https://github.com/DzianisPasiukou/ProjectForEpam into MyBranch

Conflicts:
	MvcApp/App_Data/EpamProject.mdf
Fix null exception in xml serialization in logging. Add treeview for viewer catalog in layouyt.
database changes.
Add treeview in index view. Add childNode view. In catalogViewCotroller get data from initializetree class.
Mini refactor database entity. Add clearid in add item to database, because there are autoincrement in table in database.
Add description to treeview.