A function to visualize parameterization of movement in Stock Synthesis. It creates a GUI interface for movement exploration. Based on selectivity GUI by Tommy Garrison
movepars(nareas = 4, accuage = 40, season.duration = 1,
min.move.age = 0.5)
Number of areas
Accumulator age
Length of season (annual rates are scaled by this value in SS).
Minimum age of movement.