Move nenv_version function to its own command
Add nenv commands to list commands
Update help to rbenv version
Update nenv, init, completions, shell, rehash to rbenv
Only ignore toplevel dirs
Add ability to list remote versions from nenv install
Simplify nenv-versions to only list local versions
Update version and related commands to match rbenv
Add root subcommand
Update exec command to current rbenv
Update rehash command to rbenv
- ensures only 1 rehash is running at a time
- ensures that the -e command properly parses
- cleaner read
Update whence to current rbenv
Remove unused functions from nenv-functions
Update uninstall to current rbenv
Merge pull request #7 from madumlao/master

update nenv to rbenv 20140525