Previously it would only compare the details of a new repo to existing
ones if the new repo came via an intent. Now it does it whenever you
change the text in the new repo dialog (shouldn't be too much of a
performance hit, it isn't doing very much).
The things it (still) doesn't do is:
* verify that the url looks like a url
* sanitize the newly input uri and compare it to sanitized saved repos
The second point means that you can end up with:
http://10.0.1.50/ and
http://10.0.1.50
both in the list. I'm going to log an issue for this, because it should
be fixed, but doesn't need to hold this up.
93339cbbfb