Revert "Revert "clean up old nightly versions, preserve last 10 versions""
Revert "Revert "clean up old nightly versions, preserve last 10 versions""

This reverts commit 9aca73381f6d8d8c6d4b89ad3336aab3979ce0cf.

getgauge/gauge,getgauge/gauge,getgauge/gauge,getgauge/gauge,getgauge/gauge