Species Portfolio task list

[whmacken]

• [x] Build loop to build portfolio by BGC by Site Series from submitted data points
• [x] Output portfolio by BGC for all site series in a grid layout.
• [x] Calculate the ratio of species at a set % productivity level (90%) to start will.
• [x] Output species ratio in formatted table by BGC x Site Series
• [x] Make CCISS a function so that this code can be called from the portfolio for selected set of points and returns the predicted species data
• [x] Add map showing submitted points to start of script

[kdaust]

I think the max sharpe ratio is a better way to select a point on the frontier, but we can also add option to do it by specified return