Build ConnectionPoint dumb component

app/components/ConnectionPoint.js

@@ -0,0 +1,34 @@
+// @flow
+import React, { Component } from 'react';
+var ReactDOM = require('react-dom');
+var electron = require('electron');
+
+const {Raphael,Paper,Set,Circle,Ellipse,Image,Rect,Text,Path,Line} = require('react-raphael');
+
+export default class ConnectionPoint extends Component {
+  // Props include id, x, and y.
+  constructor(props) {
+    super(props);
+
+    this.state = {
+      hide: false,
+    };
+  };
+
+  render() {
+    // Use an offset of half the width from the (x,y) center points
+    let size = 8;
+    let tlx = this.props.x - (size / 2);
+    let tly = this.props.y - (size / 2);
+
+    console.log("Rendering CP (id: %s) at %d, %d\n", this.props.id, this.props.x, this.props.y);
+    return (
+        <Rect x={tlx} y={tly} width={size} height={size} hide={this.state.hide}
+          attr={{
+            "stroke":"#00FFFF",
+            "stroke-width":1,
+            "fill":"#00FFFF",
+          }}
+        />);
+  };
+}