Add checks for leveldb
Move second shutdown phase to after the point where comm threads die
Pass over documentation up to chapter 4.
Update the "hyperdex" binary
Make "make distcheck" pass; tarballs for all
Another pass over documentation
Change datastructures-fuzz-test to require no setup
Update .gitignore
Return NET_NOTFOUND if cond_put on a nonexistent object
Add chapter on async && atomic
Fixup the tutorial.  Make all examples correct
Update async; add section on faults
Fix reference in documentation.
Only do header checks for leveldb
Link stress tests against e
Fix the coordinator reference in initialize-cluster
Protect against uninitialized variables at shutdown

Development versions didn't have a problem, nor did tarballs.  But for some
reason, the debian/ubuntu package creation process doesn't initialize these
correctly and we get a crash.
Initialize m_state_transfer_captures in the datalayer
Remove build warnings
Check recv version when sending ack