Complain during setup if JS dependencies couldn't be installed.
Complain during setup if JS dependencies couldn't be installed.

close #69

Signed-off-by: Anurag Priyam <6e6ab5ea9cb59fe7c35d2a1fc74443577eb60635@gmail.com>

kimrutherford/afra,kimrutherford/afra,wurmlab/afra,kimrutherford/afra,wurmlab/afra,wurmlab/afra,wurmlab/afra,kimrutherford/afra,kimrutherford/afra