Under Linux there was no way to choose a directory. Made a hack - when user selects a file inside a directory, the directory is selected instead.

Also, setting custom output location now actually works.
Removed unnecessary debug statement.
Merge branch 'master' of https://github.com/murjam/less-daemon into murjam-master
accepted custom dir fix, but the file selection doesn't make sense... the whole daemon works around folder processing
Merge branch 'murjam-master'