Maint: Update node-sass to tolerate node LTS version
Maint: Update node-sass to tolerate node LTS version

Current node LTS is v8.11.1 (Latest LTS: Carbon)

liveblog/liveblog,hlmnrmr/liveblog,superdesk/liveblog,liveblog/liveblog,hlmnrmr/liveblog,superdesk/liveblog,superdesk/liveblog,superdesk/liveblog,hlmnrmr/liveblog,liveblog/liveblog,liveblog/liveblog,hlmnrmr/liveblog,liveblog/liveblog