Updating CHANGELOG, adding some doc, release 6.0.4 is now ready

CHANGELOG

@@ -56,7 +56,7 @@ Author: Matijs van Zuijlen <matijs@matijs.net>
     Make migrations work without loading the actual models.
 
 commit 77839c0237aa7b43f59c3024a9025bfe86c2b59e
-Merge: cd1aa24... ee68862...
+Merge: cd1aa24 ee68862
 Author: Matijs van Zuijlen <matijs@matijs.net>
 
     Merge branch 'master' of github.com:fdv/typo
@@ -257,7 +257,7 @@ Author: Frédéric de Villamil <frederic@de-villamil.com>
     Makes themes helpers utf-8 aware for ruby 1.9.2
 
 commit a88442d485effd428b96a8a78c8533fc54b3d0cc
-Merge: a31d928... 457556b...
+Merge: a31d928 457556b
 Author: Frédéric de Villamil <frederic@de-villamil.com>
 
     Merge branch 'master' of github.com:fdv/typo
@@ -273,7 +273,7 @@ Author: Matijs van Zuijlen <matijs@matijs.net>
     Properly use passed time zone information to set publication time.
 
 commit 0846c99a745dc3ccb662691506b7d5aa659f85d6
-Merge: 01deae0... a88442d...
+Merge: 01deae0 a88442d
 Author: Matijs van Zuijlen <matijs@matijs.net>
 
     Merge branch 'master' of github.com:fdv/typo
@@ -282,3 +282,18 @@ commit 975676ced47bfd23b040d93ce67bf6ac27660df7
 Author: Matijs van Zuijlen <matijs@matijs.net>
 
     When finding articles by permalink, use UTC date.
+
+commit 31be789b9b9cf9a82a47b62b63bfada2e478e841
+Author: Frédéric de Villamil <frederic@de-villamil.com>
+
+    Setup 6.0.4 release
+
+commit 010a4467545f7dce8191fc08618c13da9835a4df
+Author: Frédéric de Villamil <frederic@de-villamil.com>
+
+    Fixes Typo versio checker. How could this have ever worked provided it was checking if available was less than installed version?
+
+commit 3615752e9706006a1376d9f44086860f4028c413
+Author: Frédéric de Villamil <frederic@de-villamil.com>
+
+    Cosmetic update on categories edition form

doc/PostInstall.txt

@@ -0,0 +1,5 @@
+Since version 6.0, Typo is no longer available as a gem. 
+Please download Typo source at http://typosphere.org/stable.tgz 
+
+To install Typo from scratch: https://github.com/fdv/typo/wiki/Installing-Typo
+Upgrading Typo from an older version: https://github.com/fdv/typo/wiki/Upgrading-to-typo-6.0

doc/typo.gemspec

@@ -0,0 +1,16 @@
+# -*- encoding: utf-8 -*-
+Gem::Specification.new do |s|
+  s.name        = "typo"
+  s.version     = "6.0.4"
+  s.platform    = Gem::Platform::RUBY
+  s.authors     = ["Frédéric de Villamil", "Matijs van Zuijlen", "Thomas Lecavellier", "Cyril Mougel"]
+  s.email       = ["frederic@de-villamil.com"]
+  s.homepage    = "http://typosphere.org"
+  s.summary     = %q{The missing blogging engine.}
+  s.description = %q{Since Typo has been in existence since March 2005, it is likely the oldest blogging platform in Rails. It has a full set of features you would expect from such an engine, which include powerful SEO capabilities, full themes, and plug-in extensions. }
+  s.has_rdoc    = false
+  s.rubyforge_project = "typo"
+
+  s.files         = `ls`.split("\n")
+  s.post_install_message = "\e[1;31m\n" + ('-' * 79) + "\n\n" + File.read('PostInstall.txt') + "\n" + ('-' * 79) + "\n\e[0m"
+end