run tokudb fractal tree tests.

[kuszmaul]

git clone git@github.com:Tokutek/ft-index
mkdir ft-index-build
cd ft-index-build
cmake -DCMAKE_BUILD_TYPE=Debug ../ft-index
make -j8
cd ft/tests
LD_PRELOAD=libsupermalloc_pthread.so ./ft-test
this will hit the posix_memalign size == 0 bug (See #24)

[kuszmaul]

Ran successfully. Need to put this into the regression tests, however.