fix Makefile chmod (644)
replace MD5SUM with HASH
add PKG_MIRROR_HASH when PKG_SOURCE_PROTO:=git

(PKG_SOURCE_PROTO:=svn tarballs are not reproducible for now)

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

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>

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

From the README:

attrs is an MIT-licensed Python package with class decorators that ease
the chores of implementing the most common attribute-related object
protocols.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

From the package description:

Python wrapper module around the OpenSSL library

This depends on python-cryptography (#2035)

Signed-off-by: Jeffery To <jeffery.to@gmail.com>