Fixed test 2
Fixed test 2

Implemented correct code generation for nested min with
more than two arguments. Also abstract sum and min operators out.

Change-Id: Ibcbb6f5265a96de435e6f370e8b8468dd27b5aca

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