Fixes CI and citation

v2.1

fixing CI and citation

MEEM hydrodynamics

Added

• Use MEEM instead of analytical Froude Krylov approximations to get hydro coeffs
• Unit tests, continuous integration, and code coverage
• Maximum capture width check

Changed

• Updated folder structure

Fixed

• Opex scaled incorrectly with number of WECs
• Powertrain wasn't included in available volume calculation
• Incorrect float waterplane area

IDETC conference presentation

Merge pull request #29 from symbiotic-engineering/pareto-front-tweak

Pareto front tweak