DROOLS-337: Add support for a ENABLED-DISABLED column(cherry picked from commit 17a457398f481555c04ae4029919be085c5bb2a4)
DROOLS-337: Add support for a ENABLED-DISABLED column in a spreadsheet
decision table
Code reformatted with the substitution of the tab characters by 4
spaces. (cherry picked from commit 1b371cd7cf94ad3f2afe590ed6e41ed70710ee5a)