GRIF update 2013.7

This update corrects a problem in CCF period calculation (for periodically tested component).
The old method was too concervative, it is now solved.
You have to apply this update if you use boolean modules (Tree, SIL …)

Moreover, it corrects a bug in 64-bit version. it was always in demo mode.
For every 64-bit operating system user, we recommand you to use this version.