Add main file for calling hadmin
Start useradd functionality
Move modules to hadmin/, and main file to bin/
Move main program to root level
Transitioning to a new config scheme
Move back to bin/ directory and add env.sh to add pwd to path
Retwrite hadmin/config.py with new config scheme.
Starting to update hadmin/auto.py. Rewrite test/hadmin-queues.yaml
Rewriting hadmin.config. So that's fun.
hadmin.Config now has a sensible implementation.

All the values are stored as a two-dimensional map, and __getitem__ and
__setitem__ are defined, so that's fun. It's now way easier, and only
209 lines.
Add setup.py and some initial testing stuff.
hadmin.config passes unit tests.
Update hadmin.config style, add TODO
Add config.CapacitySchedulerConfig class.
Add hadmin.config.ConfigManager that keeps track of all the configs.
Remove hadmin/auto.py because it's not used anymore.
Add useradd command, hadmin.config.HadminManager.

hadmin.config.HadminManager manages adding users and queues in a
sensible way.
Add del_user, other things
useradd and userdel both work
Adding/removing users and admins is done.