control tabs, organism editor, code refactor

src/Grid/Neighbors.js

@@ -0,0 +1,21 @@
+// contains local cell values for the following:
+
+//all       ...
+//          .x.
+//          ...
+
+//adjacent   .
+//          .x.
+//           .
+
+//corners   . .
+//           x
+//          . .
+
+const Neighbors = {
+    all: [[0, 1],[0, -1],[1, 0],[-1, 0],[-1, -1],[1, 1],[-1, 1],[1, -1]],
+    adjacent: [[0, 1],[0, -1],[1, 0],[-1, 0]],
+    corners: [[-1, -1],[1, 1],[-1, 1],[1, -1]]
+}
+
+module.exports = Neighbors;