add a little more space between groups
add a little more space between groups

Change-Id: I9cc0f8950a06e1b3d8ddd19a685ac5121e3805b7

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core