Revert "Merge pull request #1078 from shackbarth/revert"

This reverts commit 46683cf3d68439bb88fb84ca587effaa3c09e57e, reversing
changes made to b033b110a7df9da14e4c199d269e095a4efc9baf.

Conflicts:

	node-datasource/sample_config.js
	scripts/install_xtuple.sh