fix to incorporate seed and waste losses into production passed from GAMS to Java, incl change to fbs method. Outputting demand for Frances and hacky code for Trump stuff.

Tidy up 'TRADE_BARRIER_MULTIPLIER' remove S on end to keep consistent and change initial price values

Changed min natural rate so always applied not just when protected areas are on

Changes to have 'region' in composite country for argentina scenario and changes to trade stuff so trade parameters change over time period. Plus other tweaks.