Upgrade to rules_nodejs 1.7.0 (#124)
Upgrade to rules_nodejs 1.7.0 (#124)

rules_nodejs pre 1.6.0 had invalid escape sequences in its Starlark code, which was silently ignored but now throws an error (due to https://github.com/bazelbuild/bazel/commit/73402fa4aa5b9de46c9a4042b75e6fb332ad4a7f).
bazelbuild/rules_sass,bazelbuild/rules_sass