--User changes

Implement copying and pasting xforms between flames.

--Code changes
 Make palette filename be a shared_ptr<string> to avoid duplication.
 Ensure random seeds in RendererCL have no duplicates and are not zero.

Source/Ember/Affine2D.h

@@ -87,6 +87,7 @@ public:
 	m4T ToMat4ColMajor(bool center = false) const;
 	m4T ToMat4RowMajor(bool center = false) const;
 
+	//Note that returning a copy is actually faster than a const ref&.
 	T A() const;
 	T B() const;
 	T C() const;