Command Line Install / Interactive Command Line Install

In efforts to help with the automation of the installation process I wrote a modification to the install.php file which allows for an interactive installation, as well as a modification for automated installs.

Automated installs would be run using something like this:
php install.php dbhost sqltype dbname dbuser dbpass "Site Name Goes Here" siteurl fancyurl

sqltype = mysql (it can also be pgsql)
Site name should be quoted, some characters like ! should be escaped.
siteurl = domain.com (not using http:// and no ending slash)
fancyurl is either true or false and if true the htaccess.sample should be renamed to .htaccess

Or for the interactive install just running the following, will ask for the details needed for the installer.

php install.php install

Patch is attached.