merged install script
Merge branch 'master' into travis-ci

Conflicts:
	scripts/install_xtuple.sh
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
use sudo for main.js
fixed install script oversight
fixed $database escaping in install script
install nvm as root
run tests as root
run build_app as root
alias node and npm for root
use which to determine npm/node path
removed suod from npm install
remove sudo from main.js
fixed some minor errors in install script
moved xtuple installer to before_install
run ND as root
sync all npm cmds
override tci install task
removed test-build
updated commander version