[corlib] Fix LogicalCallContext to be available on new Threads/Tasks/Thread-pool items
[corlib] Added System.Security.Claims API
[API] Added some Attributes to System.ComponentModel.DataAnnotation

added BindableTypeAttribute and UrlAttribute.
[API] added MembershipPasswordAttribute to System.Web

added reference to System.ComponentModel.DataAnnotation
[API] added missing System.Web.Management classes
[API] Added a lot of missing implementations required for MVC5+EF6
[API] Fixed a lot of bugs in the async pipeline implementation.

Implemented dynamic module loading support.
Set the current context to null after finishing the work.
Do not reuse a HttpApplication instance when a inner module has thrown an exception.