chore(package): update mocha to version 3.1.2 (#1389)
chore(package): update mocha to version 3.1.2 (#1389)

https://greenkeeper.io/
mozilla/tofino,bgrins/tofino,bgrins/tofino,jsantell/tofino,bgrins/tofino,jsantell/tofino,jsantell/tofino,mozilla/tofino,mozilla/tofino,victorporof/tofino,mozilla/tofino,bgrins/tofino,victorporof/tofino,jsantell/tofino