Ruby 1.9 Compatibility

Completely removed the html5lib sanitizer.
Fixed the string-handling to work in both
Ruby 1.8.x and 1.9.2. There are still,
inexplicably, two functional tests that
fail. But the rest seems to work quite well.

attic/vendor/plugins/HTML5lib/Rakefile.rb

@@ -0,0 +1,33 @@
+require 'rake'
+require 'hoe'
+require 'lib/html5/version'
+
+Hoe.new("html5", HTML5::VERSION) do |p|
+  p.name = "html5"
+  p.description = p.paragraphs_of('README', 2..5).join("\n\n")
+  p.summary = "HTML5 parser/tokenizer."
+
+  p.author   = ['Ryan King'] # TODO: add more names
+  p.email    = 'ryan@theryanking.com'
+  p.url      = 'http://code.google.com/p/html5lib'
+  p.need_zip = true
+
+  p.extra_deps << ['chardet', '>= 0.9.0']
+  p.changes = p.paragraphs_of('History.txt', 0..1).join("\n\n")
+end
+
+require 'rcov/rcovtask'
+
+namespace :test do
+  namespace :coverage do
+    desc "Delete aggregate coverage data."
+    task(:clean) { rm_f "coverage.data" }
+  end
+  desc 'Aggregate code coverage for unit, functional and integration tests'
+  Rcov::RcovTask.new(:coverage => "test:coverage:clean") do |t|
+    t.libs << "test"
+    t.test_files = FileList["test/test_*.rb"]
+    t.output_dir = "test/coverage/"
+    t.verbose = true
+  end
+end