package/python: security bump to version 2.7.16

Fixes the following security issues:

- CVE-2013-1752: Change use of readline() in :class:`imaplib.IMAP4_SSL` to limit line length

- CVE-2018-14647: The C accelerated _elementtree module now initializes hash
  randomization salt from _Py_HashSecret instead of libexpat's default
  CSPRNG.

For more details, see the NEWS file:
https://github.com/python/cpython/blob/v2.7.16/Misc/NEWS.d/2.7.16rc1.rst

Refresh patches, drop now upstream
package/python/0035-bpo-35746-Fix-segfault-in-ssl-s-cert-parser-GH-11569.patch
and adjust hash of LICENSE file for a change of copyright years.

run-tests results:
16:05:41 TestPython2                              Starting
16:05:42 TestPython2                              Building
16:11:26 TestPython2                              Building done
16:11:32 TestPython2                              Cleaning up
.
----------------------------------------------------------------------
Ran 1 test in 351.905s

OK

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/python/python.hash

@@ -1,5 +1,5 @@
-# From https://www.python.org/downloads/release/python-2715/
-md5 a80ae3cc478460b922242f43a1b4094d Python-2.7.15.tar.xz
+# From https://www.python.org/downloads/release/python-2716/
+md5 30157d85a2c0479c09ea2cbe61f2aaf5 Python-2.7.16.tar.xz
 # Locally calculated
-sha256 22d9b1ac5b26135ad2b8c2901a9413537e08749a753356ee913c84dbd2df5574  Python-2.7.15.tar.xz
-sha256 b9a6d9320b8f2693e8d41e496ce56caadacaddcca9be2a64a61749278f425cf2  LICENSE
+sha256 f222ef602647eecb6853681156d32de4450a2c39f4de93bd5b20235f2e660ed7  Python-2.7.16.tar.xz
+sha256 a77d71d6be6f9032e6b6e5d2cf6da68f9eeab9036edfbc043633c8979cd5e82c  LICENSE