[docs/announce/2013.03.md] pick release name

Release, I dub thee Singapore.
[announce/2013.03.md] some formatting

Indenting the text that way won't work. It means
<pre> formatting in Markdown. Not what we want.
[announce/2013.03.md] exerpt of changelog added
[docs] should be "elsif" or "elif"

We handle both. timotimo++
[announce/2013.03.md] these are the contributors

A fine bunch.
[docs/release_guide.pod] move current release north
[release] bump VERSION
[docs/release_guide.pod] fix small thinko
Revert "[docs/release_guide.pod] fix small thinko"

This reverts commit 0ca6e5444e732c7c3ba458bf396859d907b01bff.