an improvement.

condidtional compilation.

query-specific things like applying ancestors messages and upgrading
PL_READ to PL_WRITE_CHEAP in such a scenario

the cachetable reader-writer lock was replaced with bucket mutexes.

to a logentry command in the recovery log / rollback log.

endpoints on acquire and release.

initialize it for full gc if we think it is worth it. This allows for
full gc to run when bringing a basement node up to date.

there may be an abort message waiting to be applied.

in a different order than they began, and blow up a bad assert.

separate the difference between the oldest referenced xid we can use for
implicit promotion vs simple garbage collection.

run full garbage collection when a leafentry has > 1 committed entry.

can iterate over and clean up, which prevents a memory leak when the
fractal tree shared library unloads before all thread-local destructors run

This reverts commit 843f0050.

Should have been on a branch.

This reverts commit 7fa771e0.

Should have been on a branch.

This reverts commit fbd96859.

Should have been on a branch.

This reverts commit d467d3cf.

Should have been on a branch.

the last point we may read the node variable safely.

TOKU_GLOBAL_STATUS

disk bytes written. Need to add a 'double' engine status type, which
apparnetly exists in the union, but not as a type tag.