Send nREPL-based paths instead of CIDER-based paths

[iarenaza]

When cider-path-translations is in use (e.g., when CIDER is running on the host, but the nREPL is running in a VM or a Docker container) we need to translate the local CIDER-based paths to the remote nREPL-based paths for those operations that send paths to nREPL.

We use the new cider-to-nrepl-filename-function that is introduced in CIDER pull request #2897, that should be applied before this one.

Also includes a fix for #442.

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Thanks!

[expez]

Excellent! Thank you, @iarenaza!