and a new operation in test_stress0 for stress testing coverage

refs #25.  Fix (test-only) bug where db_env_set_toku_product_name would not get called for some tests because they were lower than ydb layer

db_env_set_toku_product_name

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refs #6286 Reorganized static asserts and status macros so c++11 features stay out of exported headers

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Added static asserts that prevent accidentally adding global status variables that start with TOKU

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Fixes #6020.  Detect huge pages.  The fractal tree layer notices when you create a logger (maybe there are other useful times to detect, but that's enough for now).  The ydb layer notices when you all {{{db_env->open()}}}.    The mysql handlerton notices the error in {{{tokudb_init_func()}}}.

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fixes #6113 add instrumentation to the locktree, including memory stats, escalation stats, and single txnid optimization stats


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fixes #5961 pass a callback to the ydb layer when escalation occurs for a txnid, providing the locktree and range_buffer describing how to update the txn's internal data structures so they don't grow out of control for very long lived write transactions


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prevents crash for double upgrade after v19
Also load correct information for lsn (64 bit instaed of 32 bit)

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- widely adopt the use of ybt abstractions instead of raw dbt management. TODO: the loader and the descriptor are still manually managed.
- remove templates from the perf framework in favor of explicit key size checks that more accurately describe "How Keys/Vals Work", and prevent type related bugs.
- also: removed some dead code, refs #5101



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fixes #5351 fixes #5528 merge the new locktree to main. the locktree, locktree manager, and blocking lock request api are implemented at the toplevel under locktree/ and the ydb layer has been modified to use the new API. some kruft has been deleted from various parts of the source tree and these merge also includes a change where we kill 'includes.h'


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refs #5592 move circular_buffer, omt, threadpool, growable_array, rwlock, frwlock, kibbutz, mempool, partitioned_counter, nb_mutex, sort to util/, and some other cleanup stuff

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