add a spinner when refreshing
add a spinner when refreshing

Change-Id: Ib82a63aa77e47203ff4bd94f3c76759bfa6fa47d

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