Sync with latest Instiki trunk. Changes:

1) Upgrade Rails to 1.2.3
2) Revert RedCloth to previous version (who %#$@ cares?)
3) Preserve the Rails Security fix  to vendor/rails/actionpack/lib/action_controller/caching.rb from Revision 80.

vendor/rails/railties/lib/commands/console.rb

@@ -1,4 +1,4 @@
-irb = RUBY_PLATFORM =~ /mswin32/ ? 'irb.bat' : 'irb'
+irb = RUBY_PLATFORM =~ /(:?mswin|mingw)/ ? 'irb.bat' : 'irb'
 
 require 'optparse'
 options = { :sandbox => false, :irb => irb }

vendor/rails/railties/lib/commands/plugin.rb

@@ -240,11 +240,12 @@ class Plugin
     def install_using_http(options = {})
       root = rails_env.root
       mkdir_p "#{root}/vendor/plugins"
-      Dir.chdir "#{root}/vendor/plugins"
-      puts "fetching from '#{uri}'" if $verbose
-      fetcher = RecursiveHTTPFetcher.new(uri)
-      fetcher.quiet = true if options[:quiet]
-      fetcher.fetch
+      Dir.chdir "#{root}/vendor/plugins" do
+        puts "fetching from '#{uri}'" if $verbose
+        fetcher = RecursiveHTTPFetcher.new(uri)
+        fetcher.quiet = true if options[:quiet]
+        fetcher.fetch
+      end
     end
 
     def svn_command(cmd, options = {})

vendor/rails/railties/lib/commands/process/inspector.rb

@@ -1,6 +1,6 @@
 require 'optparse'
 
-if RUBY_PLATFORM =~ /mswin32/ then abort("Inspector is only for Unix") end
+if RUBY_PLATFORM =~ /(:?mswin|mingw)/ then abort("Inspector is only for Unix") end
 
 OPTIONS = {
   :pid_path => File.expand_path(RAILS_ROOT + '/tmp/pids'),
@@ -65,4 +65,4 @@ ARGV.options do |opts|
   opts.parse!
 end
 
-Inspector.inspect(OPTIONS[:pid_path], OPTIONS[:pattern])
+Inspector.inspect(OPTIONS[:pid_path], OPTIONS[:pattern])

vendor/rails/railties/lib/commands/process/reaper.rb

@@ -2,7 +2,7 @@ require 'optparse'
 require 'net/http'
 require 'uri'
 
-if RUBY_PLATFORM =~ /mswin32/ then abort("Reaper is only for Unix") end
+if RUBY_PLATFORM =~ /(:?mswin|mingw)/ then abort("Reaper is only for Unix") end
 
 class Killer
   class << self

vendor/rails/railties/lib/commands/process/spawner.rb

@@ -92,7 +92,7 @@ server = case ARGV.first
   else
     if defined?(Mongrel)
       "mongrel"
-    elsif RUBY_PLATFORM !~ /mswin/ && !silence_stderr { `spawn-fcgi -version` }.blank? && defined?(FCGI)
+    elsif RUBY_PLATFORM !~ /(:?mswin|mingw)/ && !silence_stderr { `spawn-fcgi -version` }.blank? && defined?(FCGI)
       "fcgi"
     end
 end
@@ -206,4 +206,4 @@ if OPTIONS[:repeat]
   end
 else
   spawner_class.spawn_all
-end
+end

vendor/rails/railties/lib/commands/server.rb

@@ -19,7 +19,7 @@ server = case ARGV.first
   else
     if defined?(Mongrel)
       "mongrel"
-    elsif RUBY_PLATFORM !~ /mswin/ && !silence_stderr { `lighttpd -version` }.blank? && defined?(FCGI)
+    elsif RUBY_PLATFORM !~ /(:?mswin|mingw)/ && !silence_stderr { `lighttpd -version` }.blank? && defined?(FCGI)
       "lighttpd"
     else
       "webrick"