FENNEL: expose name of a TraceSource.  This allows a component that is also a TraceSource to have a related name.  As XO's are given unique trace names, this allows common subcomponents like Calculators  to have distinct and meaningful names too.
FENNEL: expose name of a TraceSource.
 This allows a component that is also a TraceSource to have a related name.
 As XO's are given unique trace names, this allows common subcomponents like Calculators
 to have distinct and meaningful names too.

[git-p4: depot-paths = "//open/dt/dev/": change = 3199]

LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb