Fix broken links (#4700)
##### Summary <!--- Describe the change below, including rationale and design decisions --> Fixes #4672 The name of the branch is misleading, don't worry about it. Details on the fixes below. ##### Additional Information > Checking links in ./doc/Netdata-Security-and-Disclosure-Information.md > 1. [L13] 404 https://github.com/netdata/netdata/.github/ISSUE_TEMPLATE.md Fixed > Checking links in ./REDISTRIBUTED.md > 1. [L190] 404 https://github.com/netdata/netdata/blob/master/python.d/python_modules/urllib3/packages/six.py Fixed > Checking links in ./web/api/queries/ses/README.md > 1. [L53] https://en.wikipedia.org/wiki/Moving_average#exponential-moving-average](https://en.wikipedia.org/wiki/Moving_average bad URI(is not URI?): https://en.wikipedia.org/wiki/Moving_average#exponential-moving-average](https://en.wikipedia.org/wiki/Moving_average False, link works > Checking links in ./packaging/README.md > 1. [L52] 404 https://github.com/firehol/infrastructure/raw/master/doc/release.txt Fixed > Checking links in ./installer/README.md > 1. [L089] 404 https://github.com/netdata/netdata/blob/master/MAINTAINERS.md Fixed > 2. [L241] 404 http://pkg.freebsd.org/FreeBSD:11:amd64/latest/All/netdata-1.10.0.txz Fixed > Checking links in ./daemon/README.md > 1. [L080] 404 https://github.com/netdata/netdata/pull/403_ False. The URL is without the underscore > 2. [L116] 404 https://github.com/netdata/netdata/blob/master/LICENSE.md Fixed > Checking links in ./collectors/python.d.plugin/web_log/README.md > 1. [L026] 404 https://github.com/netdata/netdata/tree/master/conf.d/python.d Fixed > 2. [L030] 404 https://github.com/netdata/netdata/blob/master/conf.d/python.d/web_log.conf Fixed > 3. [L187] 404 https://github.com/netdata/netdata/blob/master/conf.d/health.d/web_log.conf Fixed > 4. [L200] 404 https://github.com/netdata/netdata/tree/master/conf.d/health.d Fixed > Checking links in ./collectors/python.d.plugin/apache/README.md > 1. [L52] 404 http://www.apache.org/server-status?auto Can't fix. Can't find a URL that will return server-status > Checking links in ./collectors/freeipmi.plugin/README.md > 1. [L090] 404 https://github.com/ktsaou/netdata/tree/master/plugins/freeipmi.plugin Fixed (also in the c code) > Checking links in ./CONTRIBUTORS.md > 1. [L013] http://producingoss.com/en/copyright-assignment.html Failed to open TCP connection to producingoss.com:80 (Connection refused - connect(2) for "producingoss.com" port 80) Fixed