Avoid using is_package_installed function

git-svn-id: file:///srv/repos/svn-community/svn@124386 9fca08f4-af9d-4005-b8df-a31f2cc04f65
Add missing patch

git-svn-id: file:///srv/repos/svn-community/svn@124387 9fca08f4-af9d-4005-b8df-a31f2cc04f65
New Sage dependency

git-svn-id: file:///srv/repos/svn-community/svn@124388 9fca08f4-af9d-4005-b8df-a31f2cc04f65
archrelease: copy trunk to community-i686, community-x86_64

git-svn-id: file:///srv/repos/svn-community/svn@124389 9fca08f4-af9d-4005-b8df-a31f2cc04f65
Add lrcalc support

git-svn-id: file:///srv/repos/svn-community/svn@124390 9fca08f4-af9d-4005-b8df-a31f2cc04f65