adding containers to testsuite/performance/container_benchmark.cc

[Jerry Quinn]

Benjamin Kosnik writes:
 > 
 > Currently, the container benchmark tests:
 > 
 > "vector (pointer)", "vector (iterator)", "deque", "list", "set", "multiset"
 > 
 > I would like to add map, multimap, and the hashed containers.
 > 
 > Thoughts?
 > 
 > -benjamin

My vote would be yes.  They're all important containers, even if the
hashes aren't standard.  Performance matters here too.

Jerry Quinn