Restrict total number of keys per sst/table file to reduce meta data.
remove mythical <3 and create new constant for levels in overlapped mode. Lots of changes to version_set.cc to make 2i not hit leveldb stall.  Not completely happy with tuning of version_set.cc ... but it does survive tests now (at least on FusionIO).
Create low threshold for compaction without penalty (throttle).  Tune special case of first sorted level.
Remove dead code.  Reduce penalty on first sorted layer to 3x from 6x.
remove dead debug code
notch the penalty (write throttle) factors down based on tests
close the leaking hatch ... crc32 test is NOT always active during compaction ... now it is.  This is to reduce disk corruption creating weird, random segfaults (and causing tech support calls).
remove dead code
Merge pull request #81 from basho/mv-bloom-size-limit

Mv bloom size limit