Update README URLs based on HTTP redirects

[ReadmeCritic]

Created with https://github.com/dkhamsing/frankenstein

GitHub Corrected URLs

Was	Now
https://github.com/AtomLinter/Linter	https://github.com/steelbrain/linter
#9	#9

HTTPS Corrected URLs

Was	Now
http://www.pylint.org/	https://www.pylint.org/

---

This change is

[Arcanemagus]

FYI @ReadmeCritic it looks like this corrected an issues -> pull link as well, but doesn't mention that in the summary.

[ReadmeCritic]

It is there but those become re-formatted by GitHub

### GitHub Corrected URLs 
Was | Now 
--- | --- 
https://github.com/AtomLinter/Linter | https://github.com/steelbrain/linter 
https://github.com/AtomLinter/linter-pylint/issues/9 | https://github.com/AtomLinter/linter-pylint/pull/9 

[Arcanemagus]

...well now I feel like an idiot 😛

Thanks for running this scan occasionally!

[ReadmeCritic]

np 😄