Revert "Add yet-another-react-lightbox package and update .gitignore to exclude node_modules"

This reverts commit c92f4a5edd.

frontend/node_modules/@react-jvectormap/lib/src/svg-image-element.js

@@ -0,0 +1,46 @@
+jvm.SVGImageElement = function(config, style){
+  jvm.SVGImageElement.parentClass.call(this, 'image', config, style);
+};
+
+jvm.inherits(jvm.SVGImageElement, jvm.SVGShapeElement);
+
+jvm.SVGImageElement.prototype.applyAttr = function(attr, value){
+  var that = this,
+      imageOffset,
+      imageUrl;
+
+  if (attr == 'image') {
+    if (typeof value == 'object') {
+      imageUrl = value.url;
+      this.offset = value.offset;
+    } else {
+      imageUrl = value;
+      this.offset = [0, 0];
+    }
+
+    jvm.whenImageLoaded(imageUrl).then(function(img){
+      that.node.setAttributeNS('http://www.w3.org/1999/xlink', 'href', imageUrl);
+      that.width = img[0].width;
+      that.height = img[0].height;
+      that.applyAttr('width', that.width);
+      that.applyAttr('height', that.height);
+
+      that.applyAttr('x', that.cx - that.width / 2 + that.offset[0]);
+      that.applyAttr('y', that.cy - that.height / 2 + that.offset[1]);
+
+      jvm.$(that.node).trigger('imageloaded', [img]);
+    });
+  } else if(attr == 'cx') {
+    this.cx = value;
+    if (this.width) {
+      this.applyAttr('x', value - this.width / 2 + this.offset[0]);
+    }
+  } else if(attr == 'cy') {
+    this.cy = value;
+    if (this.height) {
+      this.applyAttr('y', value - this.height / 2 + this.offset[1]);
+    }
+  } else {
+    jvm.SVGImageElement.parentClass.prototype.applyAttr.apply(this, arguments);
+  }
+};