WIP: Pull out research into seperate data file

This pull requests pulls what was "U.S. Research Labs" in `_data/governments.yml` and moves it to `_data/research.yml`, which can hopefully be expanded to include other, non-us, government research.

Also DRY'd things up a bit in `communities.md`, moving the table to an include and passing variables, rather than copying/pasting.

/cc @arfon