hid.dll and hidparse.sys must understand the same HID preparsed data,
so use the same code in hid.dll and in hidparse.sys
At the same time, this permis implementation of some HidP_* functions.
There is no need to compile our DLLs as shared libraries since we are
managing symbols exports and imports through spec files.
On my system, this reduces the configure-time by a factor of two.
