Clean up branches

[MurphyMc]

I thing we need to clean up the branches in the main repository. I've commented on the existing branches; if you have a stake, please comment back. :)

debugger: Maybe we want to keep this. I know it has some debugger-specific stuff. The IO loop stuff (or its equivalent) should still get mainlined at some point. Though the mass of development on this is now in another fork, maybe?

debugger_legacy, debugger_legacy_2012-06-27: These haven't changed in a year. Do we need them?

fix_license: Any relevant changes should be in carp now. Delete.

master: The master branch should never have existed in the first place and should be equivalent to angler. Delete.

upgrade_switch / upgrade_switch_2: carp has moved so far ahead of these and fixed so many bugs that I claim anything relying on these should unquestionably be fixed to use carp. Delete.

[colin-scott]

FWIW, our fork of debugger branch (https://github.com/ucb-sts/pox) is only ~6 commits ahead of your debugger branch. We're only doing that as a stop-gap for getting Andrew push permissions.

Eventually (after NSDI), we'd like to move entirely to carp, so that we can blow away debugger branch entirely.

@andiwundsam can you comment on whether debugger_legacy* have anything important in them? My guess is not.

Otherwise, I agree with these changes.

[MurphyMc]

Thanks so much for the quick response, Colin.

Assigning Andi.

[andiwundsam]

I can't think of any reason we'd need debugger_legacy* for anything. Maybe let's keep a backup tar of the repo around 'just in case' before we prune. Otherwise delete.

[MurphyMc]

Backed up and cleaned up.

Ahh, the branch list is so beautiful now.