remove extra_packages from pod; clarify usage of base_packages
Merge branch 'extrapkgs' of https://github.com/jouvin/aii into aii_base_extra_packages
remove extra_packages from fedora14 variant
cleanup whitespace
remove extra_packages from schema
Merge pull request #57 from stdweird/aii_base_extra_packages

AII removal of extra_packages and clarification of base_packages