jeff: compile error (moved log2() defn.)
steve: handle oom on maxmem calc.
steve: make sure all threads are done.
steve: tcmalloc driver.
gperftool-2.1: automatic(?) changes.
paper: MMT - handling memory in another thread.
Valgrind 3.9.0 import
memcheck: no need for this commented out line.
valgrind-3.9.0: memcheck patches.
valgrind: a.out.h not always available.
maxmem (allocstats) calculation is done by passing in 101 as killpercent.
changed colors.
More info, don't do histograms
Changed paths
automagic tcmalloc/gperftools libtool change