Stanford-Online/edx-platform — pull request #171 by jrbl (2014-12-15 23:37:06+00:00)
Title: Stanford: Minimal change for LPL Long run

* Adds flags for ungenerated_certs to allow cert runs which retain
pre-existing certs, even when students fail by some new set of
criteria, but which recreate certs for passing students, even when
they previously had one.

@stvstnfrd and @jbau