Added handling for non-ascii chars in console log
Add no_dry_run decorator to {start,stop}_console.

Without this a number of the unit tests fail, unless run in a full
environment.
Remove vestigial mac_addr column on Headnode.

...along with all of the parameters/docs/etc that reference it.
Defunctionized 'removeNonAscii()' in show_console()
Merge pull request #280 from zenhack/console_no_dry_run

Add no_dry_run decorator to {start,stop}_console.
Merge pull request #279 from ryabouza/fix-show-console

Added handling for non-ascii chars in console log
Merge remote-tracking branch 'moc/devel' into no-headnode-macaddrs

Conflicts:
	tests/unit/api.py
Merge pull request #282 from zenhack/no-headnode-macaddrs

No headnode macaddrs
Implement null auth backend

Authentication/authorization backends belong in haas/auth_mechanisms .  It's
possible that the API of that plugin will have to be expanded to cover what
the CLI needs to do.