bitbake: bs4: Add beautifulsoup 4.3.2 to assist the fetcher

Added Beautifulsoup module because fetch/wget latest_versionstring
method depends on it.

This provides support to fetch/wget.py module for search new package
versions in upstream sites.

(Bitbake rev: 4626c9b77e5eded97507b6f9ca0d891f9a54bb8a)

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bs4/tests/test_htmlparser.py

@@ -0,0 +1,19 @@
+"""Tests to ensure that the html.parser tree builder generates good
+trees."""
+
+from bs4.testing import SoupTest, HTMLTreeBuilderSmokeTest
+from bs4.builder import HTMLParserTreeBuilder
+
+class HTMLParserTreeBuilderSmokeTest(SoupTest, HTMLTreeBuilderSmokeTest):
+
+    @property
+    def default_builder(self):
+        return HTMLParserTreeBuilder()
+
+    def test_namespaced_system_doctype(self):
+        # html.parser can't handle namespaced doctypes, so skip this one.
+        pass
+
+    def test_namespaced_public_doctype(self):
+        # html.parser can't handle namespaced doctypes, so skip this one.
+        pass