Pass group length to context / result objects to reduce # of params.
Pass group length to context / result objects to reduce # of params.

It looks cleaner this way.

Change-Id: Id46cb52863fb9366d83ac17d3f8521e5a13a59c9

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