cyclus/cyclus — pull request #1054 by rwcarlsen (2014-12-16 04:53:55+00:00)
Title: lazy decay option and misc cleanups and tweaks

* lazy decay option decays materials every time the Material::comp function is
called.

* Added ability to call Material::Decay with a negative time argument that
causes the decay operation to run with the material's context's current
time. Throws if the material has a NULL context.

* fixed sim_init tests - they previously counted on optional normalization for
material compositions that has now changed. Note that API is identical -
the doc comments for the relevant functions explicitly states that returned
composition are not normalized.