Update README and add license file
Change the GitHub URL scheme to https

It is desirable for proxy user.
Change the GitLab repository URL to Public GitLab
Update the Ubuntu version of box to 13.04
Change the IP address of box to IPv4 private address
Configure the number of CPU's in the box
Add the provision script for Vagrant
Remove unnecessary space
Add patching database recipe for PostgreSQL
Add patching database recipe for MySQL
Change the way to install Git
Add creating plpgsql for PostgreSQL
Change the way to install Nginx
Instead of nodeload.github.com, using codeload.github.com for downloading Git
Remove unecessary forwarded_port of port 3000