script: Set noninteractive env var in install script
script: Set noninteractive env var in install script

This ensures that our apt-get installs don’t get stuck waiting for input.

Closes #1665

Signed-off-by: Jonathan Rudenberg <3692bfa45759a67d83aedf0045f6cb635a966abf@titanous.com>

jzila/flynn,shads196770/flynn,supermario/flynn,kgrz/flynn,shads196770/flynn,rikur/flynn,clifff/flynn,ozum/flynn,flynn/flynn,flynn/flynn,philiplb/flynn,philiplb/flynn,kgrz/flynn,whouses/flynn,schatt/flynn,rikur/flynn,flynn/flynn,schatt/flynn,whouses/flynn,justintung/flynn,kgrz/flynn,Brandywine2161/flynn,whouses/flynn,benbjohnson/flynn,ozum/flynn,benbjohnson/flynn,justintung/flynn,jzila/flynn,TribeMedia/flynn,pkdevbox/flynn,jzila/flynn,pkdevbox/flynn,philiplb/flynn,Brandywine2161/flynn,TribeMedia/flynn,kgrz/flynn,ozum/flynn,TribeMedia/flynn,rikur/flynn,Brandywine2161/flynn,supermario/flynn,justintung/flynn,benbjohnson/flynn,shads196770/flynn,lmars/flynn,pkdevbox/flynn,kgrz/flynn,supermario/flynn,TribeMedia/flynn,pkdevbox/flynn,pkdevbox/flynn,jzila/flynn,clifff/flynn,whouses/flynn,josephglanville/flynn,flynn/flynn,clifff/flynn,clifff/flynn,jzila/flynn,justintung/flynn,shads196770/flynn,lmars/flynn,kgrz/flynn,rikur/flynn,shads196770/flynn,ozum/flynn,ozum/flynn,justintung/flynn,Brandywine2161/flynn,TribeMedia/flynn,supermario/flynn,whouses/flynn,supermario/flynn,ozum/flynn,lmars/flynn,supermario/flynn,justintung/flynn,jzila/flynn,josephglanville/flynn,Brandywine2161/flynn,rikur/flynn,schatt/flynn,clifff/flynn,clifff/flynn,lmars/flynn,josephglanville/flynn,schatt/flynn,TribeMedia/flynn,pkdevbox/flynn,lmars/flynn,whouses/flynn,josephglanville/flynn,benbjohnson/flynn,josephglanville/flynn,shads196770/flynn,philiplb/flynn,schatt/flynn,josephglanville/flynn,benbjohnson/flynn,rikur/flynn,philiplb/flynn,Brandywine2161/flynn,flynn/flynn,benbjohnson/flynn,schatt/flynn