Split assets task into build and copy
Split assets task into build and copy

Normally we just want to copy the pre-build assets that
are checked into the mocha and chai repositories.

jfirebaugh/konacha,uken/konacha,hugocorbucci/konacha,jfirebaugh/konacha,uken/konacha,hugocorbucci/konacha,hugocorbucci/konacha,jfirebaugh/konacha,uken/konacha