web/boids.js: Add Bird.js from three.js bird demo
web/boids.js: Tweak the min and max speed range
web/boids.js: Tweak the boundary avoidance values
web/boids.js: Use Bird geometry
web/boids.js: Use a THREE.Vector3() for boundaries
web/boids.js: Use THREE.Vector3() in place of arrays
web/boids.js: Don't draw shadows when boid is below the "bottom"
web/boids.js: Refactor phase angle
web/boids.js: Use else if statements
web/boids.js: Avoid boundaries depending on distance to boundary
web/boids.js: Tweak default conf
web/boids.js: Refactors