refs #62 fix how tdb_logprint formats XID pairs
fixed required cmake version #65

fixes #65
remove -u option from cp, fixes #66
refs #59 Add the locktree visualization APIs, new accessors in the DB and DB_TXN,
and a new operation in test_stress0 for stress testing coverage
Increase the lock timeout and sleep time to make this test less
timing-dependent (though it still is)
refs #64 fix clang on linux problems
refs #64 fix cpp guard
refs #59 turn off bdb builds for tokudb lock tree tests
#56 add 2 locktree escalation tests
Add a timed wait for the locktree manager's mutex, check memory
constraint in a loop without waiting for escalation to complete fully.
#56 benchmark escalation stalls
Merge branch 'esc56' of github.com:Tokutek/ft-index into esc56