Generalized 'reinitialize_command()' so it can optionally reinitialize the command's sub-commands as well (off by default).  This is essential if we want to be be able to run (eg.) "install" twice in one run, as happens when generating multiple built distributions in one run.
Generalized 'reinitialize_command()' so it can optionally reinitialize
the command's sub-commands as well (off by default).  This is essential if
we want to be be able to run (eg.) "install" twice in one run, as happens
when generating multiple built distributions in one run.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator