Update README.md for issue #474

Document workarounds for EOL issues on Microsoft Windows and note powershell.el conflict (issue #474).
Cider command uses known endpoints
Merge pull request #496 from jonpither/known-endpoints

Cider command uses known endpoints
Merge pull request #497 from scottdw/patch-1

Update README.md for issue #474
when + not == unless
Minor refactoring
Code style
[Fix #501] Nil appearing in nrepl-server buffer name when no project directory.
Merge pull request #504 from jonpither/nil-designation

[Fix #501] Nil appearing in nrepl-server buffer name when no project dir...
Adding cider-change-buffers-designation.
Merge pull request #500 from jonpither/rename-buf

Change cider buffers designation
Fixing reference to nrepl-connection-buffer in cider-change-buffers-designation.
Merge pull request #508 from jonpither/rename-buf

Fixing reference to nrepl-connection-buffer in cider-change-buffers-designation.
Fix badge link
Farewell to tabs
Fix end of file comment
Fix a unused variable warning
Remove unused variable
Updating README with switch to namespace.
Merge pull request #509 from jonpither/readme-nses

Updating README with switch to namespace.