If you don't have Internet access (production network), and use
--node=system, nodeenv should NOT try to find out the current Node.js
version just to set the default value we override anyway
Put build dir removal commands where they belong
Merge pull request #82 from jhermann/internet-on-demand

Make --node=system work with no Internet access (production network)
Merge pull request #83 from jhermann/debian-rules-clean-fix

dpkg: Moved cleanup commands to 'clean' target
added config file support for the most important options
Added configuration section to the README, and the hidden
--dump-config-defaults option to easily update it.
added Python virtualenv dirs to .gitignore
unify --node and --npm behaviour to allow 'latest'
minor code formatting
added remaining options that make sense in a config file
minor: code formatting
removed os.symlink; fixes #84
0.9.6
revert os.symlink with additional check for exastance; fixes #84
added one more way to install via pip. fixes #81
added one more way to install via pip. fixes #81
Detect virtualenv using python instead of environment variable
fix for zsh
Merge pull request #88 from cmehay/master

fix for zsh
fixed exists check before os.symlink; fixes #84