obsolete check for the urchin cross-shell test feature; fix for spurious warnings; improved robustness
Merge pull request #591 from mklement0/fix_make_file

obsolete check for the urchin cross-shell test feature; fix for spurious...
Fixing deactivate tests.

Fixes #357.
Update `urchin`
Merge branch 'master' of https://github.com/creationix/nvm into which
Merge pull request #583 from danielb2/which

Adds `nvm which`
Add `nvm which` to `bash_completion`
Add `nvmrc` note to `nvm which` blurb.
Remove trailing whitespace.
Add "--quiet" to git commands post-install.

Mentioned in #595.
Merge branch 'master' of https://github.com/creationix/nvm into which
work like system which. show system node without changing to use it