package/jasper: bump version to 2.0.13

package/jasper: bump version to 2.0.13

Changed _SITE to github, current version is not available from upstream
website.

Removed patches applied upstream:

0002-Fixed-bugs-due-to-uninitialized-data-in-the-JP2-deco.patch
https://github.com/mdadams/jasper/commit/e96fc4fdd525fa0ede28074a7e2b1caf94b58b0d

0003-Added-a-check-in-the-JP2-encoder-to-ensure-that-the-.patch
https://github.com/mdadams/jasper/commit/58ba0365d911b9f9dd68e9abf826682c0b4f2293

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>