* log cursors performing search must internally get keys; raw mode must be turned off temporarily to accomplish that. Use this same technique to clean up how keys/values are set.
* In java, when a raw mode cursor is created, allow setting key/value only via byte array.
* Synchronize java log example with the C version, including changing LSN from long to int and adding a count check to the simple log walk. Fix an error with how LSN file/offset was saved for a later search. The 'copy' table can now use S formats, since there is a way to insert them as raw records obtained from the log.
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