- Adds new overload for MessageOrigin creation that uses MethodIL and an offset as parameters, eventually this will be used to produce warnings
- Share methods used in linker/analyzer for asking questions about members being in RequiresScope, members Requiring and Requires warning generation. These methods include handling of Requires on a type.
- The ReflectionMethodBodyScanner on field access now verifies for requires on type, since implicitly can call the static constructor
- Updated the mismatch attribute rules to take into account Requires on type

Added support for RequiresAssemblyFilesAttribute
 - Now the code checks for RAF and warns about it
 - Added support to check and retrieve attributes in a property
 - Added overloads to IsInRequiresScope that verify associated properties
Added new constant values for the different requires attributes

Add static constructor id
Change this name in GetDecodedCustomAttribute for prop