FENNEL:  delete obsolete transaction log files on shutdown  and recovery
FENNEL:  delete obsolete transaction log files on shutdown 
and recovery

[git-p4: depot-paths = "//open/dt/dev/": change = 3732]

LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb