Fixing problem with setup.py and bumping version number.
Bumping version to 0.11.0
Merge branch 'release-0.11.0' into develop

* release-0.11.0:
  Bumping version to 0.11.0
Readd user-agent back to aws-cli

When I refactored out a main() function, I did not readd
the logic to override the user_agent_name when a session is
created.  This was causing the user agent (and the --version)
to be incorrect.