Tentative support for primary-system-name.#9

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fare wants to merge 2 commits intoquicklisp:masterfrom fare:asdf3

+28-27

Commits on Jan 5, 2014

Tentative support for primary-system-name.
fare
committed

Commits on Jan 9, 2014

Tentative avoidance of trivial circularities with secondary systems.
fare
committed