Add patch to Python 3.6.1 - 3.6.3 that removes comment in comment.

[akesandgren]

The patch matches the code from Python 3.6.4 and reduces the problem with building hashlib.

Also ran --inject-checksum --force causing exts_list to get a lot of changes.

[boegel]

lgtm

[boegel]

Test report by @boegel
FAILED
Build succeeded for 5 out of 9 (9 easyconfigs in this PR)
node2119.delcatty.os - Linux centos linux 7.5.1804, Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz, Python 2.7.5
See https://gist.github.com/14e601bac95f181674ab0eeb456ab44d for a full test report.

[boegel]

Test report by @boegel
FAILED
Build succeeded for 21 out of 25 (9 easyconfigs in this PR)
node2582.golett.os - Linux centos linux 7.5.1804, Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz, Python 2.7.5
See https://gist.github.com/d07c79133190f35006e651955309cff2 for a full test report.

[boegel]

Test report by @boegel
SUCCESS
Build succeeded for 9 out of 9 (9 easyconfigs in this PR)
node2410.golett.os - Linux centos linux 7.5.1804, Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz, Python 2.7.5
See https://gist.github.com/97cacdaf6ea2b1f18736b0d3c97ef3c9 for a full test report.

[boegel]

Test report by @boegel
SUCCESS
Build succeeded for 9 out of 9 (9 easyconfigs in this PR)
node2063.delcatty.os - Linux centos linux 7.5.1804, Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz, Python 2.7.5
See https://gist.github.com/3000a828307f154c2b29c41bb3e2104d for a full test report.

[boegel]

Going in, thanks @akesandgren!