Major Performance Enhancement

• use/nvm_die_on_prefix: replicate npm config algorithm and remove npm config call (#2317)

Fixes

• nvm ls-remote: accept versions that end with a dot (#2310)
• nvm_ls: zsh: unset markdirs and local_options (#2316)
• nvm_die_on_prefix: use directory comparison rather than string (#2316)

Docs

• improve nvm --help output (#2301)
• [readme] bash shell integration: amend example (#2313)

Tests

• Fix nvm_ls_current fast test (#2322)
• Fix nvm unload fast test cleanup (#2332)
• Drop deprecated sudo: option in TravisCI config (#2307)