boot2docker 0.9.1

Closes #29352.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
rebar 2.3.0

Closes #29353.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
only clean logs if logs exist

Closes #29355.
Move tetgen to homebrew-science

Closes #29336.