Disable loader tests for during sharding_passthrough.js
Add an option to smoke tests that skips tests alphabetically less than
the argument. It's useful for restarting tests from some known failure
point.
closes #369 Add indexer class to handle index verification, building,
and commit. Capture system.indexes inserts higher in the stack so we can
take different locks at different stages. We prefer to keep locking as
high in the stack as possible (ie: instance.cpp)
refs #369 Verify an important invariant
Revert "refs #369 Verify an important invariant"

This reverts commit 1da173fbcd18ceea4e94a0937b33d1d60edcb483.

Test failures came up with this invariant.
refs #369 Use an RAII solution to make sure we always use a DBWrite lock
to destroy the Indexer. Also, document the requirement that the indexer
must be destroyed after a successful commit().
closes #385 remove ns parameter from setIndexIsMultiKey
renamed plugin expected symbol to TokuMX_Plugin__getInterface #383

closes #383
Merge branch 'master' into backup