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

Release, I dub thee Singapore.

docs/announce/2013.03.md

@@ -1,7 +1,7 @@
-# Announce: Rakudo Perl 6 compiler, Development Release #62 ("NAME")
+# Announce: Rakudo Perl 6 compiler, Development Release #62 ("Singapore")
 
 On behalf of the Rakudo development team, I'm proud to announce the
-March 2013 release of Rakudo Perl #62 "NAME". Rakudo is an
+March 2013 release of Rakudo Perl #62 "Singapore". Rakudo is an
 implementation of Perl 6 on the Parrot Virtual Machine (see
 <http://www.parrot.org>). The tarball for this release is available
 from <http://rakudo.org/downloads/rakudo/>.
@@ -13,7 +13,7 @@ only.  For the latest Rakudo Star release, see
 
 The Rakudo Perl compiler follows a monthly release cycle, with each
 release named after a Perl Mongers group. The March 2013 release is
-code-named after PERLMONGERS-GROUP.pm.
+code-named after Singapore.pm.
 
 Some of the changes in this release are outlined below: