redo virtualenv, save dependencies

Ignore-this: eaae25e8ec2e90d2ba9b98ef36e39406

darcs-hash:20130718152604-312f9-e6712f17cbd1aac6a23f4e29dfe94f4d938faf5a
another spam rule

Ignore-this: af90186a0834813cfd2d794f74e556d5

darcs-hash:20130718152614-312f9-5c7a3ab192cdd3d7c8ecdf06a3e64b038c8722f2