Adds SecStatusEngine On/Off switch

Add the possibility to turn the Status Engine On or Off using the
directive SecStatusEngine [On/Off]. By default it is On.
Adds support to status engine on IIS version

Fixes on the windows versions: build, mac address and machine name retrieval
Places StatusEngine to be Off by default

StatusEngine is now marked as Off by default. This patch also adds the
SecStatusEngine directive to our recommend configuration file.