Added roll-your-own sbt-extras script for windows
Added roll-your-own sbt-extras script for windows

quasar-analytics/quasar,jedesah/Quasar,jedesah/Quasar,jedesah/Quasar,quasar-analytics/quasar,slamdata/slamengine,slamdata/slamengine,quasar-analytics/quasar,drostron/quasar,jedesah/Quasar,drostron/quasar,drostron/quasar,slamdata/quasar,drostron/quasar,quasar-analytics/quasar,slamdata/slamengine,djspiewak/quasar