each theme has a theme.info file specify theme files and settings
- version parameter is used to describe theme version
- core parameter is used to describe core requirement like 6.x for drupal 6 themes
; $Id: mytheme.info, v 1 date
; comments start if a semi column, previous comment was source contro comment
name = My theme name
description = what gets shown to users selecting themes. like 'custom them for example.com'
version = 7.x