[build] Ensure that staged build directories are set on LOCAL_MCS_FLAGS

The LOCAL_MCS_FLAGS are passed to the compiler before the standard
directory for the profile.  This is important both for correctness,
and also assists the solution generator, since we can now precisely
determine which intermediate project must be referenced.
[msvc/scripts] Update order.xml file with Makefile changes, update generator
[build] The ecma.pub is one directory above
[Managed.Windows.Forms] Disable TRACE code, since it is broken
[build] Fix location of the key file
[build] Fresh new csproj files based on the updated build system.