Deprecated code

Hi.
I installed the theme and got the following errors:

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; great_about_widget has a deprecated constructor in /var/www/localhost/htdocs/wordpress/wp-content/themes/great/inc/widgets/widget-about.php on line 7

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; great_blog_widget has a deprecated constructor in /var/www/localhost/htdocs/wordpress/wp-content/themes/great/inc/widgets/widget-blog.php on line 7

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; great_services_widget has a deprecated constructor in /var/www/localhost/htdocs/wordpress/wp-content/themes/great/inc/widgets/widget-services.php on line 7

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; great_projects_widget has a deprecated constructor in /var/www/localhost/htdocs/wordpress/wp-content/themes/great/inc/widgets/widget-projects.php on line 7

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; great_clients_widget has a deprecated constructor in /var/www/localhost/htdocs/wordpress/wp-content/themes/great/inc/widgets/widget-clients.php on line 7

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; great_slider_widget has a deprecated constructor in /var/www/localhost/htdocs/wordpress/wp-content/themes/great/inc/widgets/widget-slider.php on line 7

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; great_social_widget has a deprecated constructor in /var/www/localhost/htdocs/wordpress/wp-content/themes/great/inc/widgets/widget-social.php on line 7

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; great_featured_widget has a deprecated constructor in /var/www/localhost/htdocs/wordpress/wp-content/themes/great/inc/widgets/widget-featured.php on line 7

Bests Lena