refs #25.  Makes product name configurable via
db_env_set_toku_product_name
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
#17 graceful error exit when out of file descriptors
#17 gracefull db open
#17 test env open with open file limit
#17 fix a memory leak
#17 fix closedir with null pointer bug in toku_get_version_of_logs_on_disk found by injecting open file errors
fix memory leak in test for #18
#27 test case for big txn and checkpoint blocking other commits
#27 test case for big txn and checkpoint blocking other commits
#27 bigtxn with checkpoints passes the bigtxn27 test
#27 rename the low priority multi operation checkpoint lock
#27 build on linux and osx
Merge branch 'releases/tokudb-7.0' of github.com:Tokutek/ft-index into releases/tokudb-7.0