Update 2015.06 announcement with final changes/contributors

docs/announce/2015.06.md

@@ -16,7 +16,16 @@ Salt Lake City, where this year's YAPC::NA happened.
 
 Some of the changes in this release are outlined below:
 
-{{HERE}}
+* Lexical pragma 'use trace' now outputs statements on STDERR
+* $=finish now contains text after first =finish/=for finish/=begin finish
+* Added :as named param to .classify / .categorize
+* EVALFILE added, for evalling source in a file
+* Implemented 'quietly' statement prefix to prevent warnings being issued
+* DateTime default timezone format is now +HH:MM (used to be +HHMM)
+* "".IO / IO::Path.new("") no longer legal, use "." for current dir
+* next/last/redo don't allow expressions to be evaluated anymore
+* sign(NaN)/NaN.sign is now NaN
+* Stubbed-out code (via .../!!!) no longer results in X::AdHoc
 
 These are only some of the changes in this release. For a more
 detailed list, see "docs/ChangeLog".
@@ -27,7 +36,11 @@ Parrot, the Perl 6 test suite, MoarVM and the specification.
 
 The following people contributed to this release:
 
-{{HERE}}
+Elizabeth Mattijsen, Tobias Leich, Jonathan Worthington, Timo Paulssen, Rob
+Hoelz, Christian Bartolomäus, Will "Coke" Coleda, Bart Wiegmans, Larry Wall,
+Moritz Lenz, Justin DeVuyst, Steve Mynott, Carl Masak, Solomon Foster, cygx,
+smls, Alexander Moquin, Jonathan Stowe, Brent Laabs, Dagur Valberg Johannsson,
+Sam S
 
 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