toc messed up

[paulcobbaut]

A lot of modules and minibooks still have a messed up toc. The display of toc should be consistent in all books.

DONE for minibook_processes (20110627)
DONE for minibook_disk_management, uuid, raid (20110627)
TODO minibook_boot_management
TODO minibook_system_management
TODO minibook_kernel
TODO minibook_backup
TODO minibook_networking