python packages: move all things python under lang/python

I admit this may be be a bit aggressive, but the lang
folder is getting cluttered/filled up with Python, PHP, Perl,
Ruby, etc. packages.

Makes sense to try to group them into per-lang folders.

I took the Pythons.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

lang/python/python-txsocksx/patches/001-omit-tests.patch

@@ -0,0 +1,11 @@
+diff --git a/setup.py b/setup.py
+index 7979f89..3873a1e 100644
+--- a/setup.py
++++ b/setup.py
+@@ -35,5 +35,5 @@ setup(
+         'version_module_paths': ['txsocksx/_version.py'],
+     },
+     install_requires=install_requires,
+-    packages=['txsocksx', 'txsocksx.test'],
++    packages=['txsocksx'],
+ )