[GeneralDiscussion] new patch submission process

Finally.. after much "fun" with the plumbing, we have an easy patch submission process.
Basically, no more patch approval required.
The previous process works well for many projects, but it's needlessly heavy for us
right now. There was the approval delay and also, the surprising requirement to be
subscribed to zwiki.org before you could darcs send a patch.

Now, just darcs send and it goes in immediately.
I, and now Sascha, also have direct push/pull access.
Either way, commits happen at full speed.
Each new patch sends a notification to the PatchDiscussion page for code review.
For security, zwiki.org is now running on a separate, admin-maintained copy of the main repo.
Also the server does not run tests for you, so do run tests yourself before sending.
The DarcsRepos docs have been updated accordingly.

Hacking on Zwiki code is now as easy as it should be! Here's hoping for some positive code churn.
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forwarded from http://zwiki.org/GeneralDiscussion#[email protected]