Add shelljs for synchronous command exec

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Add functions to help make node Rails plugin aware

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Teach Webpack to bundle translations plugin locales

Bug # 14679

Signed-off-by: Alex Coles <alex@alexbcoles.com>