ncm-chkconfig add should become a synonym for reset

If service has a value 'add' then adding a code to ncm-chkconfig to run
'reset'. This will restore service runlevel to its default values and protect
from any manual changes of runlevels by /sbin/chkconfig.

Addresses-Issue: #97

Conflicts:
ncm-chkconfig/src/main/perl/chkconfig.pm