creating .gitignore to ignore netbeans metadata
Revert "1 -  adding span3 and span6 css classes to the style.css for better look in 2.5.5 2 - add a condition to mod_lates... .php for loading css file if joomla version is <=2.5.5 3 - adding media folder with media tag in xml file"

This reverts commit 285ba769a02591f9a87c620951b685ea9cfba185.
1 - adding span3 and span6 css classes to the style.css for better look in 2.5.5
2 - add a condition to mod_lates... .php for loading css file if joomla version is <=2.5.5
3 - adding media folder with media tag in xml file