Update to latest HTML5lib, Add Maruku testdir

Sync with the latest html5lib.
Having the Maruku unit tests on-hand may be useful for debugging; so let's include them.

vendor/plugins/maruku/Rakefile

@@ -0,0 +1,73 @@
+require 'rubygems'
+Gem::manage_gems
+require 'rake/gempackagetask'
+
+#require 'maruku_gem'
+
+task :default => [:package]
+
+#Rake::GemPackageTask.new($spec) do |pkg|
+#  pkg.need_zip = true
+#  pkg.need_tar = true
+#end
+
+#PKG_NAME = 'maruku'
+#PKG_FILE_NAME = "#{PKG_NAME}-#{MaRuKu::Version}"
+#RUBY_FORGE_PROJECT = PKG_NAME
+#RUBY_FORGE_USER = 'andrea'
+
+#RELEASE_NAME  = MaRuKu::Version
+#RUBY_FORGE_GROUPID = '2795'
+#RUBY_FORGE_PACKAGEID = '3292'
+
+desc "Publish the release files to RubyForge."
+task :release => [:gem, :package] do
+	system("rubyforge login --username #{RUBY_FORGE_USER}")
+
+	gem = "pkg/#{PKG_FILE_NAME}.gem"
+	# -n notes/#{Maruku::Version}.txt
+	cmd = "rubyforge  add_release %s %s \"%s\" %s" %
+		[RUBY_FORGE_GROUPID, RUBY_FORGE_PACKAGEID, RELEASE_NAME, gem]
+	
+	puts cmd
+	system(cmd)
+	
+	files = ["gem", "tgz", "zip"].map { |ext| "pkg/#{PKG_FILE_NAME}.#{ext}" }
+	files.each do |file|
+#		system("rubyforge add_file %s %s %s %s" %
+#		[RUBY_FORGE_GROUPID, RUBY_FORGE_PACKAGEID, RELEASE_NAME, file])
+  end
+end
+
+task :test => [:markdown_span_tests, :markdown_block_tests]
+
+task :markdown_block_tests do
+	tests = Dir['tests/unittest/**/*.md'].join(' ')
+	puts "Executing tests #{tests}"
+#	ok = marutest(tests)
+	ok = system "ruby -I../syntax/lib -Ilib bin/marutest #{tests}"
+	raise "Failed block unittest" if not ok
+end
+
+task :markdown_span_tests do
+	ok = system( "ruby -Ilib  -I.. lib/maruku/tests/new_parser.rb v b")
+	raise "Failed span unittest" if not ok
+end
+
+require 'rake/rdoctask'
+
+Rake::RDocTask.new do |rdoc|
+	files = [#'README', 'LICENSE', 'COPYING', 
+		'lib/**/*.rb', 
+		'rdoc/*.rdoc'#, 'test/*.rb'
+	]
+	rdoc.rdoc_files.add(files)
+	rdoc.main = "rdoc/main.rdoc" # page to start on
+	rdoc.title = "Maruku Documentation"
+	rdoc.template = "jamis.rb"
+	rdoc.rdoc_dir = 'doc' # rdoc output folder
+	rdoc.options << '--line-numbers' << '--inline-source'
+end
+
+
+