Update to tk 8.5.19

Update to 8.5.19

Add SQLite 3.21.0 for CPython bpo-28791. (pythonGH-2)

bpo: https://bugs.python.org/issue28791
Related CPython PR: python/cpython#4246

Merge pull request python#1 from zooba/openssl

Import OpenSSL 1.1.0f

Import zlib 1.2.11 from https://zlib.net/zlib-1.2.11.tar.gz

Import Tk 8.5.15 (as of svn r89086)

Import Tcl 8.5.15 (as of svn r89086)

Import BSDDB 4.7.25 (as of svn r89086)

Import xz 5.2.2 (as of svn r86089)

Import Tk 8.6.6 (as of svn r86089)