Added file loading and displaying of images in tabs

src/com/imegumii/Importable.java

@@ -0,0 +1,15 @@
+package com.imegumii;
+
+/**
+ * Created by kenny on 9-6-2017.
+ */
+public class Importable {
+    public static enum Type {DFA, NDFA, REGEX, ERROR};
+
+    public Type type;
+
+    public Importable(Type t)
+    {
+        this.type = t;
+    }
+}