new arrayRemove method

plugins/pilot/lib/util.js

@@ -656,4 +656,16 @@ exports.rectsEqual = function(r1, r2, delta) {
     return true;
 };
 
+/**
+ * splice out of 'array' anything that === 'value'
+ */
+exports.arrayRemove = function(array, value) {
+  for (var i = 0; i <= array.length; i++) {
+    if (value === array[i]) {
+      array.splice(i, 1);
+    }
+  }
+};
+
+
 });