Add frontend assets and plugin bundles

Add the legacy frontend themes, scripts, and plugin assets required by the main SPOTA interfaces.

assets/plugins/gmaps/test/spec/OverlaySpec.js

@@ -0,0 +1,30 @@
+describe("Drawing HTML overlays", function() {
+  var map_with_overlays, overlay;
+
+  beforeEach(function() {
+    map_with_overlays = map_with_overlays || new GMaps({
+      el : '#map-with-overlays',
+      lat : -12.0433,
+      lng : -77.0283,
+      zoom : 12
+    });
+
+    overlay = overlay || map_with_overlays.drawOverlay({
+      lat: map_with_overlays.getCenter().lat(),
+      lng: map_with_overlays.getCenter().lng(),
+      layer: 'overlayLayer',
+      content: '<div class="overlay">Lima</div>',
+      verticalAlign: 'top',
+      horizontalAlign: 'center'
+    });
+  });
+
+  it("should add the overlay to the overlays collection", function() {
+    expect(map_with_overlays.overlays.length).toEqual(1);
+    expect(map_with_overlays.overlays[0]).toEqual(overlay);
+  });
+
+  it("should add the overlay in the current map", function() {
+    expect(overlay.getMap()).toEqual(map_with_overlays.map);
+  });
+});