add zopim key for my and sg

Signed-off-by: Tee Jia Hen <wiztjh@gmail.com>
meta data tags overide for auction keywords and description

Signed-off-by: Tee Jia Hen <wiztjh@gmail.com>
Merge branch 'base_sg' of github.com:soldgers/spree_sold_theme into base_sg
fix meta_data_tags for empty keywords and description

Signed-off-by: Tee Jia Hen <wiztjh@gmail.com>