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.
Merge branch 'ValikBranch' of https://github.com/DzianisPasiukou/ProjectForEpam into MyBranch

Conflicts:
	DataBaseLayer/DataBase.cs
	LogicLayer/LogicLayer.csproj
	LogicLayer/SecurityHelper.cs
	MvcApp/App_Data/EpamProject.mdf
	MvcApp/MvcApp.csproj
	MvcApp/Scripts/jquery.validate.unobtrusive.js
	MvcApp/Scripts/jquery.validate.unobtrusive.min.js
	MvcApp/Views/Home/Index.cshtml
	MvcApp/Views/Shared/_Layout.cshtml
	MvcApp/bin/DataBaseLayer.dll
	MvcApp/bin/LoggingManager.dll
	MvcApp/bin/LogicLayer.dll
	MvcApp/bin/MvcApp.dll
	packages/jQuery.2.1.1/Tools/jquery-2.1.1.intellisense.js
After merge fixed bugs.
Merge branch 'DenisBranch' of https://github.com/DzianisPasiukou/ProjectForEpam into MyBranch