Libspinscale: Initial top-level SMO port to coroutine framework

We haven't ported everything. Just the top-level methods. We'll
dig in to the leaf stuff later. Surprisingly, this all went without
any real difficulties.

Runs like a charm on first try.

stimBuffApis/livoxGen1/pcloudStimulusProducer.h

@@ -6,8 +6,8 @@
 #include <user/stimulusProducer.h>
 #include <user/stimulusFrame.h>
 #include <livoxProto1/device.h>
-#include <spinscale/asynchronousContinuation.h>
-#include <spinscale/callback.h>
+#include <spinscale/cps/asynchronousContinuation.h>
+#include <spinscale/cps/callback.h>
 #include <user/stagingBuffer.h>
 #include "ioUringAssemblyEngine.h"
 #include "livoxPcloudFrameDumper.h"
@@ -87,7 +87,7 @@ protected:
 	typedef std::function<void()> produceFrameReqCbFn;
 
 public:
-	void produceFrameReq(sscl::Callback<produceFrameReqCbFn> callback);
+	void produceFrameReq(sscl::cps::Callback<produceFrameReqCbFn> callback);
 
 	size_t nDgramsPerStagingBufferFrame;
 	std::shared_ptr<livoxProto1::Device> device;