add mkvenv shortcut

plugins/available/virtualenv.plugin.bash

@@ -3,3 +3,8 @@
 # make sure virtualenvwrapper is enabled if availalbe
 [[ `which virtualenvwrapper.sh` ]] && . virtualenvwrapper.sh
 
+# create a new virtualenv for this directory
+function mkvenv {
+  cwd=`basename \`pwd\``
+  mkvirtualenv --no-site-packages --distribute $cwd
+}