Openet enhancements: reconnect, transaction homing, perfomance tweaks

Signed-off-by: Ning Shi <nshi@voltdb.com>
Committing all local openet changes up to r300065. Removing boost from the include directory and using system one instead.

Signed-off-by: Ning Shi <nshi@voltdb.com>
Committing all local openet changes up to r3000065. Removing boost from the include directory and using the system one instead.

Signed-off-by: Ning Shi <nshi@voltdb.com>
selfhealing code cleanup and make sure tests pass.
cleanup.
Fix makefiles and edited README.
Reformat README.
Merge pull request #12 from VoltDB/selfhealing

ENG-6352: Self-healing C++ client library.