Squashed commit of the following:

commit 7c63ce5b2ff573d9cc76d7e0fcf18bced85a3fef
Author: Ariel Weisberg <aweisberg@voltdb.com>
Date:   Tue Aug 5 14:25:49 2014 -0400

    For ENG-6731, remove old broken logging with infinite loop behavior

commit 85d61e6e15914ecb25ffaed1601fb89845025cbe
Author: Ariel Weisberg <aweisberg@voltdb.com>
Date:   Tue Aug 5 12:26:12 2014 -0400

    For ENG-6731, add a little more debug tracking to identify why rows might be skipped

commit c5a5879df790ffd841ad44949b53a863d11f547c
Author: Ariel Weisberg <aweisberg@voltdb.com>
Date:   Mon Aug 4 17:35:37 2014 -0400

    For ENG-68731, add more debugging info and make fatal the already fatal (infinite loop) failure to serialize snapshot data