fixes

Merge branch 'master' of https://github.com/Eugeny/terminus

macOS UTF8 fixes fixed Eugeny#31, fixed Eugeny#40

re-re-fixed custom npm path detection

cmd-k to clear the terminal (fixes Eugeny#39)

add a custom npm path option (fixes Eugeny#10)

docs

Linux default shell fix

force GNU screen dependency on Linux (fixes Eugeny#1)

fixes