Update README.md
Merge pull request #5 from xtuple/master

updated read-me
Update README.md
merge
Added auto-update of code
Merge remote-tracking branch 'XTUPLE/master'
Merge pull request #7 from xtuple/master

Updated documentation
Npm install for private, if it exists
Merge remote-tracking branch 'XTUPLE/master'
Merge remote-tracking branch 'origin/master'
added checks for private repositories
removed npm install
removed timeout
changes to support demo install
more changes to support demo
edit to gitignore
removed sync folder
added optional provisioner
Uncommented URL of box
Added build app