add ModalBase, LaunchModal & install Reflux

browser/main/Components/ModalBase.jsx

@@ -0,0 +1,23 @@
+var React = require('react/addons')
+
+var ModalBase = React.createClass({
+  propTypes: {
+    isOpen: React.PropTypes.bool,
+    children: React.PropTypes.element,
+    close: React.PropTypes.func
+  },
+  render: function () {
+    if (this.props.isOpen) {
+      return (
+        <div onClick={this.props.close} className='ModalBase'>
+          {this.props.children}
+        </div>
+      )
+    }
+    return (
+      <div className='Modal hide'></div>
+    )
+  }
+})
+
+module.exports = ModalBase