Fix snapin deployment to check if the host actually has snapins to deploy. Group the snapins before returning to the GUI. Checking to saveGRUB function that if the returned start sector is 0, to use a count of 63 for GRUB rather than not generating the mbr at all.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@1780 71f96598-fa45-0410-b640-bcd6f8691b32