Links redirect

[stevepiercy]

While running linkcheck, I found several redirects for links and image sources. PR incoming to fix links, but not images, as a new image source should be used instead, preferably a locally hosted static image.

kitchen-sink/generic.rst:31: WARNING: redirect  http://www.python.org/ - permanently to https://www.python.org/
kitchen-sink/generic.rst:31: WARNING: redirect  http://www.python.org - permanently to https://www.python.org/
kitchen-sink/lists.rst:192: WARNING: redirect  http://www.yahoo.com - permanently to https://www.yahoo.com/
kitchen-sink/generic.rst:6: WARNING: redirect  https://source.unsplash.com/32x32/daily?icon - with Found to https://images.unsplash.com/photo-1528944442442-099aa4e85b27?crop=entropy&cs=tinysrgb&fit=crop&fm=jpg&h=32&ixid=MnwxfDB8MXxyYW5kb218MHx8aWNvbnx8fHx8fDE3MTQ5ODE0ODQ&ixlib=rb-4.0.3&q=80&utm_campaign=api-credit&utm_medium=referral&utm_source=unsplash_source&w=32
kitchen-sink/generic.rst:271: WARNING: redirect  https://source.unsplash.com/200x200/daily?cute+puppy - with Found to https://images.unsplash.com/photo-1437957146754-f6377debe171?crop=entropy&cs=tinysrgb&fit=crop&fm=jpg&h=200&ixid=MnwxfDB8MXxyYW5kb218MHx8Y3V0ZSBwdXBweXx8fHx8fDE3MTQ5ODE0ODQ&ixlib=rb-4.0.3&q=80&utm_campaign=api-credit&utm_medium=referral&utm_source=unsplash_source&w=200
kitchen-sink/admonitions.rst:20: WARNING: redirect  https://www.sphinx-doc.org/ - with Found to https://www.sphinx-doc.org/en/master/
(reference/kitchen-sink/blocks: line  171) broken    http://someurl/release-0.1.0.tar-gz - HTTPConnectionPool(host='someurl', port=80): Max retries exceeded with url: /release-0.1.0.tar-gz (Caused by NameResolutionError("<urllib3.connection.HTTPConnection object at 0x104c34bc0>: Failed to resolve 'someurl' ([Errno 8] nodename nor servname provided, or not known)"))
make: *** [linkcheckbroken] Error 1