- Removed classless invocation of 'loadenv'.
- Removed classless invocation of 'loadenv'.

- s/args/argString/

- Added the 'connect', 'disconnect', and 'roles' commands that used to live in
  the CommandShell.rb module.

--HG--
extra : convert_revision : svn%3A39a105f4-52d6-0310-bb1b-d6517044f2e4/trunk%40670

ged/mues