Drop the extra setup.py file.
New apitools version from internal.

* Fixed an install snafu with `ez_setup`.
* Added a `MANIFEST.in`.
* Working on better `Download` support.
* Better errors for download failures.
* Add a script at install.
Update to version 0.2.

This is another large code drop from internal.
Add .travis.yml.
fix travis config
fix travis config
Fix "insecure" dependency.
final cleanup
Remove now-unnecessary insecure flag.
try another python version
Drop silly argparse requirement.
tweak setup.py
2.6-safe
try pypy
2.6 options