Add submit_uid to the job_submit function calls. add partition access filtering to the job_submit/lua plugin
(e.g. don't pass info about partition that this user can't access).

 have lua module reference C code to get/set job fields

  and env_array_overwrite() to wrappers for a single function to eliminate 
  duplicate code

and add his name to the team.shtml file

no change in logic

many env vars were not being set since rev 20268