Final tweaks before 0.3.3 tagging

[staticfloat]

Merges #7590, and fixes a few doc warnings from make release-candidate.

The only controversial thing here is the change of the unicode article link to an archive.org link. What do you guys think of that? Pinging @jiahao and @StefanKarpinski because you guys always have an opinion on stuff like this.

[ivarne]

Looks good to me, but @tkelman probably have more input on the Windows issues.

[staticfloat]

This branch builds and passes all tests on Ubuntu 14.04-x64, Ubuntu 12.04-x86, Windows 8.1-x64, and OSX 10.10 (always x64). I'm currently running a paranoid test on Windows 8.1-x86, but I expect I will not be surprised. Additionally, all doctests and such pass, (as long as the exception paths in string.rst are changed, of course. We really need to do something about those guys.) so I think we're in pretty good shape

[StefanKarpinski]

This is great – thanks, @staticfloat.

[tkelman]

If others are okay with backporting a new function, then alright. Oh, and for future backports it helps to use git cherry-pick -x to get the cross-reference sha link in the log.

Once this passes tests for me on a local build I'll click merge on it and we'll be good to tag if everything else on the checklist is okay. Running the git and pkg tests is time-consuming in a windows build as it requires make dist and using the installer to get the bundled git in the correct place.

[ivarne]

I have

[alias]
    cp = cherry-pick -e -x

in my ~/.gitconfig so that I get the automatic sha reference and the opportunity edit the commit message to link the original PR and avoid @ pinging users.

[StefanKarpinski]

That -x flag is a nice pro tip.

[jiahao]

Updating the URL is fine.

[wlbksy]

the old url address is not deleted?

[ViralBShah]

Would love to get #9126 into 0.3.3.

[staticfloat]

@wlbksy It looks like that, but the archive.org link format includes the original URL in its URL.

[tkelman]

@ivarne merged before my tests were finished running (I need some better hardware), but I'm satisfied. We can tag either now or after updating NEWS.md. The repl test is freezing on XP, but I don't think that's new - IIRC the fix for #7082 in libuv only works for Vista-and-newer.