Add checks to misleading link filter (#343) --autopull
Add checks to misleading link filter (#343) --autopull

* Add checks to misleading link filter

I added checks to the misleading link filter so that it will not report posts unless both the link and the link text:
- Contain a period.
- Do not contain a space that is not leading or trailing.
- Do not contain things like "http://https://."

* flake8

Charcoal-SE/SmokeDetector,Charcoal-SE/SmokeDetector