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   Ensure consistency in collision data structure fields.
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   Form:
   dV = VerifyCollStruct( d0 )
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   ------
   Inputs
   ------
   d0         (1)    Initial structure
                     .scalev      Number of sigma of initBounds
                     .initBounds  Initial bounds on relative state (km)
                     .lenSC       Spacecraft length (m)

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   Outputs
   -------
   dV         (1)    Verified structure with computed fields
                     .Pmin   Minimum propbability if outside 
                     .Ssc    Spacecraft bounding sphere (km)
                     .S0     Initial ellipsoid

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