Support IL Coverage Improvement, Some Bug Fix

* Hosting: Added the feature to enumerate installed runtime version.
* Metadata: Experimentally supported the OpCodes which have Operand.
* Metadata: [BUG FIX] Corrected the determination process for the uniqueness of an Assembly because the previous didn't  consider the Processor Architecture.
* Metadata: Added the feature like Assembly.ImageRuntimeVersion of Reflection API.
* Metadata: Added the feature like AssemblyName.Version of Reflection API.
* Metadata: Added the feature that outputs ProcessorArchitecture to a wostream directly.
* Metadata: Added the feature like AssemblyName.CultureName of Reflection API, and refactoring the method AssemblyMetadata::GetFullName().