Enable installation of python dependencies via pip install.  PEP8 cleanup of proxy code.
minor whitespace fixes
Merge branch 'testing' of github.com:eucalyptus/eucalyptus-console into pip_and_pep8

Conflicts:
	eucaconsole/cache.py

Also pull in missing imports.
Merge pull request #2 from eucalyptus/pip_and_pep8

Enable pip install; PEP8 cleanup of proxy