Use `*cider-read-eval*` buffer for `cider-read-and-eval` error locations

- On errors in `cider-read-and-eval` don't jump to non-existent locations but
  create a buffer with relevant ns-form and evaled expression

- Truly use `cider-minibuffer-history` in `cider-read-from-minibuffer`
Add an inspirational quote by Edsger W. Dijkstra
nrepl -> nREPL
Close nREPL client sessions on disconnect
Code style
Implement the ls-sessions nREPL op
Make it possible to kill an nREPL session interactively
Update the changelog
Fix a typo
Fix a couple of broken tests
[#868] Handle stdout and stderr responses for test requests
Don't pipe output into a killed popup buffer
Merge pull request #870 from vitoshka/popup-live-buf

Don't pipe output to a killed popup buffer
Add a command to display an nREPL session description
Refine REPL menu
Extend the REPL menu
Code style
Rename cider-load-current-buffer to cider-load-buffer
[Fix #865] Add cider-eval-buffer alias for cider-load-buffer
Add cider-eval-file alias for cider-load-file