Set NODE_CONFIG_DIR if unset, so Caspa can run outside mbc-playout
Set NODE_CONFIG_DIR if unset, so Caspa can run outside mbc-playout

Signed-off-by: Diego Gaustein <8354336224c63279aadd00a9621757ef4fdf31fc@gaustein.com.ar>

inaes-tic/mbc-caspa,inaes-tic/mbc-caspa