[release] Add a new release announcement

docs/announce/2013.02

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+    Announce: Rakudo Perl 6 compiler development release #61 ("drinkers")
+
+On behalf of the Rakudo development team, I'm proud to announce the
+February 2013 release of Rakudo Perl #61 "drinkers". 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/>.
+
+Please note: This announcement is not for the Rakudo Star
+distribution[*] -- it's announcing a new release of the compiler only.
+For the latest Rakudo Star release, see
+<http://rakudo.org/downloads/star/>.
+
+The Rakudo Perl compiler follows a monthly release cycle, with each release
+named after a Perl Mongers group. The February 2013 release is code-named
+after drinkers.pm, as even a camel needs to have a drink from time to time.
+
+Some of the changes in this release are outlined below:
+
++ "Did you mean ..." suggestions for symbol-not-found errors
++ Compile-time optimization of some cases of junctions in boolean context
++ IO::Socket.get now works again with non-Unicode characters
++ constant folding for routines marked as 'is pure'
++ natively typed variables and better error reporting in the REPL
++ speed up eqv-comparison of Bufs
++ warnings for useless use of (some) literals, variables and constant
+  expressions in sink context
+
+This is only a small subset of the changes in this release. For a more
+detailed list, see "docs/ChangeLog".
+
+The development team thanks all of our contributors and sponsors for
+making Rakudo Perl possible, as well as those people who worked on
+Parrot, the Perl 6 test suite and the specification.
+
+The following people contributed to this release:
+
+Timo Paulssen, Moritz Lenz, Jonathan Worthington, Tobias Leich, Arne Skjærholt, Carl Mäsak, Tadeusz Sośnierz, Will Coleda, Christoph Otto and Solomon Foster.
+
+If you would like to contribute, see <http://rakudo.org/how-to-help>,
+ask on the perl6-compiler@perl.org mailing list, or ask on IRC #perl6
+on freenode.
+
+The next release of Rakudo (#62), is scheduled for March 21, 2013. 
+A list of the other planned release dates and code names for future releases 
+is available in the "docs/release_guide.pod" file. In general, Rakudo development 
+releases are scheduled to occur soon after each Parrot monthly release. 
+Parrot releases the third Tuesday of each month.
+
+On behalf of the development team, I encourage you to try the new release,
+to live life to its fullest, to cherish each moment, and to have fun.
+(And, have a good laugh at conspiracy theorists for their doomed end-of-world predictions!)
+
+[*] What's the difference between the Rakudo compiler and the Rakudo
+    Star distribution?
+
+    The Rakudo compiler is a compiler for the Perl 6 language.
+    Nothing else.
+
+    The Rakudo Star distribution is the Rakudo compiler plus a selection
+    of useful Perl 6 modules, the most recent incarnation of the "Using
+    Perl 6" book, and other software that can be used with the Rakudo
+    compiler to enhance its utility.  Rakudo Star is meant for early
+    adopters who wish to explore what's possible with Rakudo Perl 6 and
+    provide feedback on what works, what doesn't, and what else they
+    would like to see included in the distribution.