add version string to GtkWindow's to help theme authors.
add version string to GtkWindow's to help theme authors.

Change-Id: I3b03dc67de563e5d87fb85c0566fc411e372c690

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