- Reordered things in Makefile
- Removed PKG_BUILD_DIR and PKG_UNPACK as it isn't necessary
- Changed TITLE from python3-jinja2 to Jinja2
- Added src package

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>

Signed-off-by: Karel Kočí <karel.koci@nic.cz>

Switch URL to a deterministic one.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

This guarantees for the package feeds that
the mk files will always be available for all packages.

Will need to see about external-feed Python packages
a bit later.

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

Signed-off-by: Daniel Golle <daniel@makrotopia.org>