1 - Remove spec_prefix from all exported variables
2 - sign materials automatically
5 - add multiple target support
6 - separate out options that control catalyst versus the package manager
7 - add a new livecd/type for livedvd
8 - make livedvd type perform several actions automatically
10 - automatically pull stages
11 - check that distcc_hosts is set before enabling distcc
12 - allow setting of distcc_hosts in catalyst.conf with override in the specs