Added some birth distance stuff

src/Controllers/EditorController.js

@@ -32,6 +32,10 @@ class EditorController extends CanvasController{
             this.env.removeCellFromOrg(this.mouse_c, this.mouse_r);
     }
 
+    updateDetails() {
+        $('#birth-distance').val(this.env.organism.birth_distance);
+    }
+
     defineCellTypeSelection() {
         var self = this;
         $('.cell-type').click( function() {

src/Environments/OrganismEditor.js

@@ -66,6 +66,7 @@ class OrganismEditor extends Environment{
         var center = this.grid_map.getCenter();
         this.organism = new Organism(center[0], center[1], this, orig_org);
         this.organism.updateGrid();
+        this.controller.updateDetails();
     }
 
     getCopyOfOrg() {

src/Organism/Organism.js

@@ -189,6 +189,8 @@ class Organism {
         }
         if (Math.random() * 100 <= 10) { 
             this.birth_distance += Math.floor(Math.random() * 4) - 2;
+            if (this.birth_distance < 1)
+                this.birth_distance = 1;
         }
         return mutated;
     }