Begin to add ability to install from pypi
Begin to add logic to install from pypi.
Revert from_pypi logic.
Fix logic in main_install for handling multiple packages at a time.
 fix root_dir for conda.config under pythonw mode on mac os x; finish first draft of install_from_pypi command
First light on working conda install from pypi packages.
Add ability to build from spec with recipe in <root>/conda-recipes
Add pip install and make install from pypi optional.
Add pip installed packages to conda list.