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/python3/patches/004-do-not-write-bytes-codes.patch

@@ -0,0 +1,22 @@
+diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c
+index a17adf7..415b3f6 100644
+--- a/Python/pylifecycle.c
++++ b/Python/pylifecycle.c
+@@ -86,7 +86,7 @@ int Py_BytesWarningFlag; /* Warn on str(bytes) and str(buffer) */
+ int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c: deprecated */
+ int Py_FrozenFlag; /* Needed by getpath.c */
+ int Py_IgnoreEnvironmentFlag; /* e.g. PYTHONPATH, PYTHONHOME */
+-int Py_DontWriteBytecodeFlag; /* Suppress writing bytecode files (*.py[co]) */
++int Py_DontWriteBytecodeFlag = 1; /* Suppress writing bytecode files (*.py[co]) */
+ int Py_NoUserSiteDirectory = 0; /* for -s and site.py */
+ int Py_UnbufferedStdioFlag = 0; /* Unbuffered binary std{in,out,err} */
+ int Py_HashRandomizationFlag = 0; /* for -R and PYTHONHASHSEED */
+@@ -309,7 +309,7 @@ _Py_InitializeEx_Private(int install_sigs, int install_importlib)
+     if ((p = Py_GETENV("PYTHONOPTIMIZE")) && *p != '\0')
+         Py_OptimizeFlag = add_flag(Py_OptimizeFlag, p);
+     if ((p = Py_GETENV("PYTHONDONTWRITEBYTECODE")) && *p != '\0')
+-        Py_DontWriteBytecodeFlag = add_flag(Py_DontWriteBytecodeFlag, p);
++        Py_DontWriteBytecodeFlag = atoi(p);
+     /* The variable is only tested for existence here; _PyRandom_Init will
+        check its value further. */
+     if ((p = Py_GETENV("PYTHONHASHSEED")) && *p != '\0')