Add description field to Range
Migrate range comment as description
Add help_text to Range.description
`name` = first 50 chars of first line of comment

Still put the entire comment in `description`.
Add migration
Modify stringifiers; add 'name' to detail view
Move 'name' column to the left of 'range' column
Remove migration (it's out of date)
Improve CLI disallowed attribute error

(The web UI has its own error, which might need improvement but is
unrelated.)
Import a thing; print attribute name, not pk
Merge branch 'master' into range-comments

Conflicts:
	cyder/cydhcp/range/models.py
	cyder/management/commands/dhcp_migrate.py
Integrate new Range.__unicode__
Fix a couple things
Range create/update form no longer includes range usage as a field
Added range_type to range table
Ranges and Networks in dropdowns are now displayed in a monotype font:
Removed all network wizard cruft
Ip_str is now a monotype font in forms
Merge pull request #415 from drkitty/range-comments

Migrate range names and descriptions
add south migrations for drkitty-range-comments