adds node 6 to CI matrix; closes #2239#2251

Merged

boneskull merged 2 commits intomochajs:masterfrom boneskull:issue/2239

May 13, 2016

+36-13

Commits on May 4, 2016

update travis matrix for node 6; use trusty image
boneskull
committed

Commits on May 13, 2016

add test to trigger use of glob.sync()
boneskull
committed