How to submit your page on google?
Most simple way is to submit your generated sitemap.xml to google webmaster tools:
https://www.google.com/webmasters/tools
Generated URL example: http://real-estate.iwinter.com.hr/sitemap.xml
Regarding removing index.php:
First of all this doesn’t work on standard localhost, only on real servers!
If you want best seo principles like just content title in URL, without “index.php” in URI, you need to:
Rename “seo.htaccess” file to “.htaccess”.
.htaccess should be placed into your public_html, so root of your web installation, example:

In “application/config/config.php” change:
$config[‘index_page’] = ‘index.php';
to
$config[‘index_page’] = ”;
Some hosting providers have many restrictions with *.htaccess files, there is more versions so you can try other versions like seo-v2.htaccess etc…
Regarding hosting providers, this customization is tested on:

Don’t forget to check out extra seo module: http://iwinter.com.hr/support/?p=4662
Or this hint: http://iwinter.com.hr/support/?p=160