Vivarium

- Fix branch/version synchronization

- Remove combined sexes from the "build_table".

- Add doctests to travis
- Update population initializer error message

- Standardize the population getter from the the interactive interface.
- Added "additional_key" argument to randomness.filter for probability and for rate.
- Added a profile subcommand to simulate.
- Separated component configuration from setup.
- Vectorize python loops in the interpolation implementation.

- Fix broken doc dependency

- Remove mean age and year columns