Include html5lib for BeautifulSoup

BeautifulSoup needs lxml or html5, have included html5lib.

Also latest BeautifulSoup 4.1.3

html5lib/tests/__init__.py

@@ -0,0 +1,12 @@
+import sys
+import os
+
+parent_path = os.path.abspath(os.path.join(os.path.split(__file__)[0], ".."))
+
+if not parent_path in sys.path:
+    sys.path.insert(0, parent_path)
+del parent_path
+
+from runtests import buildTestSuite
+
+import support