got username updating working
pass volunteer id into processing function correctly for every edit
store entire credentials string instead of abbrev
show more information on browse volunteers page
fix ability to login; greatly improve comments; simply logic flow
when editing volunteer, don't change password unless a new one is entered
rework calculation of hours on volunteer model; add last_seen func
add volunter back into django admin console
default to volunteer when adding new volunteer
new volunteers default to volunteer level permission
do a migration on model changes
Merge pull request #65 from bepetersn/rawstrap

got editing totally working; fix django admin console; volunteer model calculates hours better...