Disable testing in v0.11 due to https://github.com/joyent/node/issues/7802.
Disable testing in v0.11 due to
https://github.com/joyent/node/issues/7802.

Re-enable when they release v0.11.14.

dchest/tweetnacl-js,dchest/tweetnacl-js,dchest/tweetnacl-js,dchest/tweetnacl-js